9z+7=-2

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Solution for 9z+7=-2 equation: 


Simplifying
9z + 7 = -2

Reorder the terms:
7 + 9z = -2

Solving
7 + 9z = -2

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 9z = -2 + -7

Combine like terms: 7 + -7 = 0
0 + 9z = -2 + -7
9z = -2 + -7

Combine like terms: -2 + -7 = -9
9z = -9

Divide each side by '9'.
z = -1

Simplifying
z = -1

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