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Mathematics 22 Online
OpenStudy (anonymous):

what is the solution to the system of equations? 2x - y = -3 x - 2y = -4 ( , )

Mehek (mehek14):

you can solve by substituting or elimination

Mehek (mehek14):

which one do you prefer?

OpenStudy (taylor0402):

i think elimination is easier preferably but its her choice

OpenStudy (anonymous):

I don't care

Mehek (mehek14):

choose and we'll use that method

OpenStudy (anonymous):

whatever you think would be easier im learning substtution

Mehek (mehek14):

so then we'll use substitution

OpenStudy (anonymous):

kk

Mehek (mehek14):

solve the second equation for x

OpenStudy (anonymous):

x= 2y - 4

Mehek (mehek14):

good :) now put the value of x from the second equation into the first one

OpenStudy (anonymous):

let the mathlete do her job

OpenStudy (anonymous):

2(2y - 4) - y = - 3

Mehek (mehek14):

@Vickyisthesmartone123 getting just the answer and learning how to solve it is a completely different thing

Mehek (mehek14):

@ashley011802 good :) now solve for y

OpenStudy (anonymous):

im confuse because the answer has to be x and y corridents like for a graph and I got a decimal

Mehek (mehek14):

keep it in fraction

OpenStudy (anonymous):

mehek i sent you a message

OpenStudy (anonymous):

you cant have a fraction for this test

Mehek (mehek14):

then i guess keep it in decimal form

OpenStudy (anonymous):

then what r the x and y graph corrdinents

Mehek (mehek14):

once you solve for y, you plug the value of y into whichever equation you want to and you find x that will be your answer

OpenStudy (anonymous):

it won let me enter a decimal as an answer

Mehek (mehek14):

then what are you supposed to put if you can' put fractions or decimals? because the answer is not a whole number

OpenStudy (anonymous):

obviously it is

OpenStudy (anonymous):

okay im just gonna guess and move on ill post the correct answer when im done

OpenStudy (anonymous):

the correct answer was (-2,1)

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