-9-9z+10z=-7

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Solution for -9-9z+10z=-7 equation: 


Simplifying
-9 + -9z + 10z = -7

Combine like terms: -9z + 10z = 1z
-9 + 1z = -7

Solving
-9 + 1z = -7

Solving for variable 'z'.

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

Add '9' to each side of the equation.
-9 + 9 + 1z = -7 + 9

Combine like terms: -9 + 9 = 0
0 + 1z = -7 + 9
1z = -7 + 9

Combine like terms: -7 + 9 = 2
1z = 2

Divide each side by '1'.
z = 2

Simplifying
z = 2

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