Question

What is the resulting equation when the expression for y in the second equation is substituted into the first equation?



3x + y = 1

y = 6 - 4x

Answer 1

@santisanchez substitute

Answer 2

3x+6-4=1

3x=-6+4+1

3x=-1?

Answer 3

wait i forgot the x

Answer 4

yeah you did

Answer 5

-x+6=1

Answer 6

hmm hey do you have choices ?

Answer 7

3x + (6 - 4x) = 1
3x + 6 - 4x = 1
3x - 4x + 6 = 1
-x + 6 = 1
-x = -5
(-1) -x = -5(-1)
x = 5

Answer 8

thank you!