Question

3) y = 4x + 24
y = x + 9

Answer 1

x= -5

y= 4

Explanation:

Substitute the equations for y

x+9=4x+24

Subtract x from both sides of the equation.

9=3x+24

Now subtract 24 from both sides of the equation.

-15=3x

x= -5

y= -5=9=4