-12-9z=-10-9z

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Solution for -12-9z=-10-9z equation: 


Simplifying
-12 + -9z = -10 + -9z

Add '9z' to each side of the equation.
-12 + -9z + 9z = -10 + -9z + 9z

Combine like terms: -9z + 9z = 0
-12 + 0 = -10 + -9z + 9z
-12 = -10 + -9z + 9z

Combine like terms: -9z + 9z = 0
-12 = -10 + 0
-12 = -10

Solving
-12 = -10

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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