Solve for x. State any restrictions on the variables.
ax + bx - 1 = 8

Answer:
d. x = 9 / (a + b) a ≠ -b.
Step-by-step explanation:
ax + bx - 1 = 8
x(a + b) - 1 = 8
x(a + b) = 9
x = 9 / (a + b) a ≠ -b.