-7-z=12-z

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Solution for -7-z=12-z equation:


Simplifying
-7 + -1z = 12 + -1z

Add 'z' to each side of the equation.
-7 + -1z + z = 12 + -1z + z

Combine like terms: -1z + z = 0
-7 + 0 = 12 + -1z + z
-7 = 12 + -1z + z

Combine like terms: -1z + z = 0
-7 = 12 + 0
-7 = 12

Solving
-7 = 12

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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