Question

use the subitution method to solve the system equation y=3x-4 x=9

Answer 1

first
collect the similar terms

Answer 2

If x equals 9. then plug 9 into the equation.

y=3(9)-4
y=27-4
y=23

Now you have Y.

23=3(9)-4
23=23
I'm pretty confident that this is how you do it. If not, then I'm sorry

Answer 3

thank you c:

Answer 4

No problem