Question

Solve the system of equations.

x-4y=5
x=3y-2

Answer 1

Plug in '3y - 2' for 'x' in the first equation:

x - 4y = 5

3y - 2 - 4y = 5

-y - 2 = 5

Add 2 to both sides, what's 5 + 2?

Answer 2

7

Answer 3

Yes, so we have:

-y = 7

Divide -1 to both sides, what's 7 / -1?

Answer 4

wait so the answer is 7?

Answer 5

No, we're not done yet.

Answer 6

ohh ok
'

Answer 7

What's 7 / -1?

Answer 8

um is it 6?

Answer 9

No, it's -7.

So we have:

y = -7

Answer 10

ohh ok thnk you sooooo much ...wait is that the answer?