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Mathematics 16 Online
olivia14:

Solve this system of linear equations. Separate the x- and y-values with a comma.

olivia14:

payton:

so do you know your steps to figure out the answer?

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @payton so do you know your steps to figure out the answer? \(\color{#0cbb34}{\text{End of Quote}}\) yes

olivia14:

i think

payton:

okay so then you should be able to explain your first step...which is....

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @payton okay so then you should be able to explain your first step...which is.... \(\color{#0cbb34}{\text{End of Quote}}\) multiply the top by -1?

jhonyy9:

how you need to solve this system by what method using ? by elimination method or by substitution method ?

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 how you need to solve this system by what method using ? by elimination method or by substitution method ? \(\color{#0cbb34}{\text{End of Quote}}\) either one

jhonyy9:

so than you check this system the easyst is the elimination method do you know it ?

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 so than you check this system the easyst is the elimination method do you know it ? \(\color{#0cbb34}{\text{End of Quote}}\) i think so

jhonyy9:

ok what you need to do like a first step ?

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 ok what you need to do like a first step ? \(\color{#0cbb34}{\text{End of Quote}}\) do i multiply the top equation by -1?

jhonyy9:

yes but i say multiplie the bottom bc. to eliminate the minus from the left part the result will be the same

payton:

in my head, i would think so...

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 yes but i say multiplie the bottom bc. to eliminate the minus from the left part the result will be the same \(\color{#0cbb34}{\text{End of Quote}}\) oh ok lemme do that real quick

jhonyy9:

do you wan write your calcule here- i like check it

olivia14:

|dw:1605036525726:dw|

olivia14:

is it that?^

jhonyy9:

2x = 56 -20y -16x = 92-20y *(-1) what you get ?

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 2x = 56 -20y -16x = 92-20y *(-1) what you get ? \(\color{#0cbb34}{\text{End of Quote}}\) thats the original problem, then i multiplied the bottom by -1 and got 16x=-92+20y then it would be 2x=56-20y + 16x=-92+20y am i wrong?

jhonyy9:

no and now ?

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 no and now ? \(\color{#0cbb34}{\text{End of Quote}}\) ok then i add them together

jhonyy9:

yes term by term

jhonyy9:

hello

olivia14:

|dw:1605036946374:dw|

olivia14:

is that right?

jhonyy9:

yes and x= ?

olivia14:

-2?

jhonyy9:

yes

jhonyy9:

and now y = ?

olivia14:

so next don't u plug in -2 for x?

jhonyy9:

yes

olivia14:

does it matter which equation?

jhonyy9:

no indifferent

olivia14:

i'll do it for the top one

jhonyy9:

ok

olivia14:

didn't mean to delete it

jhonyy9:

this is easy you can make the calcule in your head

jhonyy9:

just substitute the -2 in place of x and calcule the value of y

olivia14:

so would it just be -4=56-20y?

jhonyy9:

yes and y = ?

olivia14:

|dw:1605037438926:dw|

olivia14:

idk if thats right

jhonyy9:

no in the front of 20y where is the minus ?

olivia14:

oh so it would be -20y?

jhonyy9:

yes and y = ?

jhonyy9:

-60 = -20y ???

olivia14:

3?

Brazyxkapalot:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 -60 = -20y ??? \(\color{#0cbb34}{\text{End of Quote}}\) Dont u divide???

jhonyy9:

just divide both sides by -20

olivia14:

3

Brazyxkapalot:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @olivia14 3 \(\color{#0cbb34}{\text{End of Quote}}\) Yur

jhonyy9:

exactly

Brazyxkapalot:

Seee ur smart babygirlll

olivia14:

ok so it would be -2,3?

Brazyxkapalot:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @olivia14 ok so it would be -2,3? \(\color{#0cbb34}{\text{End of Quote}}\) Yuh

jhonyy9:

yes

olivia14:

thank u @jhonyy9

jhonyy9:

anytime with my pleasure just tag me and i will try help you than i m here online bye bye

olivia14:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 anytime with my pleasure just tag me and i will try help you than i m here online bye bye \(\color{#0cbb34}{\text{End of Quote}}\) ok thank u again!

jhonyy9:

yw

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