Answer:
x=4
Step-by-step explanation:
9x-18 = x+14
9×-× = 14+18
8× = 32
X = 4
Answer:72
Answer 9x^2
3x^2+6x^2=9x^2
x=3; y=5
y=x+2
y=3x-4
so x+2=3x-4
2x=6
x=3
because y=x+2
so y=3+2
=5