Question

Wich ordered pair om the form of (a,b) is a solution of this equation?
3a - 4b = 21.
The options are
[(-3,-2)(-2-3)(7,0)(0,7)]

Answer 1

I do not understand how it is I am supposed to do this equation

Answer 2

3(7)-4(0)=21

Answer 3

You have what it given and then you put the answers given in for 'a' and 'b' to equal 21.
so 3(7)-4(0)=?
3*7 is 21 and 4*0 is 0 so 21-0=21 so your answer would be (7,0)
but to find the answer you have to plug in the answer choices.

Answer 4

Okay, that makes since

Answer 5

Thank you.

Answer 6

Can you medal me? :)

Answer 7

Sure.

Answer 8

Thanks!!

Answer 9

No problem.