-12=7-8z+12

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Solution for -12=7-8z+12 equation:


Simplifying
-12 = 7 + -8z + 12

Reorder the terms:
-12 = 7 + 12 + -8z

Combine like terms: 7 + 12 = 19
-12 = 19 + -8z

Solving
-12 = 19 + -8z

Solving for variable 'z'.

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

Add '8z' to each side of the equation.
-12 + 8z = 19 + -8z + 8z

Combine like terms: -8z + 8z = 0
-12 + 8z = 19 + 0
-12 + 8z = 19

Add '12' to each side of the equation.
-12 + 12 + 8z = 19 + 12

Combine like terms: -12 + 12 = 0
0 + 8z = 19 + 12
8z = 19 + 12

Combine like terms: 19 + 12 = 31
8z = 31

Divide each side by '8'.
z = 3.875

Simplifying
z = 3.875

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