Question

What is the solution for the system of equations?
y= 2x - 3
4x - 3y = 31

Answer 1

It is easy it is a 2 step equation if you know the 2 four boxes

Explanation:

is the variable alone?

No

what is it attached to?

you always do adding or subtracting first so it is attached to 3

How is it attached?

by subtraction

what is the inverse operation?

it is addition

then all you do is the same thing but with multiplication or division

Answer 2

Use Substitution.

Plug in 2x-3 in place of y in the second equation.

4x - 3(2x-3) = 31

4x - 6x + 9 =31

-9 -9

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-2x=22 so x=-11

Then, y=2(-11)-3, so y=-25

So the solution would be (-11,-25).