-12=7+z

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Solution for -12=7+z equation:


Simplifying
-12 = 7 + z

Solving
-12 = 7 + z

Solving for variable 'z'.

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

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

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

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

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

Combine like terms: 7 + 12 = 19
-1z = 19

Divide each side by '-1'.
z = -19

Simplifying
z = -19

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