Question

2. Determine which ordered pair in the form (a, b) is a solution of the given equation.

3a – 4b = 21

Answer 1

SO do you know how to do this? And do you have any answer choices?

Answer 2

(–2, –3)
(0, 7)
(7, 0)
(–3, –2)

Answer 3

these are the answer choices and no im confused

Answer 4

So substitute the first set of values in for a and b like this 3(-2) - 4 (-3) =21 and then multiply the 3 and the -2 and the 4 and -3 together and figure it out. I know the answer to this problem but i want you to figure it out

Answer 5

oooookk

Answer 6

rolls eyes)

Answer 7

Do you sort of understand it now?

Answer 8

kinda i gess

Answer 9

Well ill help you as much as i can without giving you the answer directly

Answer 10

ok what i need you to do is just help me step by step instead of writing all in one thing or else i get really buzzled

Answer 11

Okay write this down> 3 (-2) -4(-3) = 21

Answer 12

ok got it

Answer 13

This basically means that you need to multiply 3 by -2 and 4 by -3

Answer 14

So do that and then tell me when you are done with that step

Answer 15

ugh ok 3x4 i got 6 then the other one i got 12 am i doing this right?

Answer 16

No what you do is multiply 3 by negative 2 and 4 by negative 3

Answer 17

i did but it said what i got if that makes since at all

Answer 18

So 3 multiplied by negative 2 is negative 6
4 multiplied by negative3 is negative 12

Answer 19

math is the worst thing invented

Answer 20

ya

Answer 21

Now add negative 6 to negative 12 and what do you get? You can use a calculator

Answer 22

i got 18

Answer 23

or 72

Answer 24

Its negative 18

Answer 25

oh ok o i got it awsome

Answer 26

ok so how what is the answer then this is so weird

Answer 27

Ill tell you the answer is (7,0) but you have to figure out why. do the same steps that we just did.

Answer 28

ok ill try i guess

Answer 29

Okay good luck

Answer 30

thanks for helping me and taking time out of your day to help me lol thanks

Answer 31

No problem. And unlike some people i don't ask for medals

Answer 32

lol kk

Answer 33

Have a great day and let me know if you have any other problems :)

Answer 34

i do i put up another one