Solve for the Unknown

Gap-fill exercise

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Type your answers in the box provided.

Solve for x. It will take at least two steps to solve.

9. 7x + 2 = -54
x =

10. 4x + 3 = -21
x =

11. -39 = 1 + 8x
x =

12. -91 = 9x + 8
x =