Question

solve the systems of linear equations
y=2x+4
-3x+y=-9

Answer 1

The y is already solved, just plug that into the second equation.

Answer 2

so plug in 2x+4 into y?

Answer 3

Yup

Answer 4

so far I got -3x+(2x+4)=-9

Answer 5

You are correct.
The parenthesis are not needed since there is nothing multiplying in this case.

Answer 6

okay! then combine like terms?

Answer 7

Yes.

Answer 8

I got x= 2?

Answer 9

And that will get you one term, which you can plug in and use to solve for the other

Answer 10

I don't think so. Re-checking....

Answer 11

okay

Answer 12

Your answer for x is incorrect. Please show your steps.