-2z+7=12

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Solution for -2z+7=12 equation: 


Simplifying
-2z + 7 = 12

Reorder the terms:
7 + -2z = 12

Solving
7 + -2z = 12

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + -2z = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -2z = 12 + -7
-2z = 12 + -7

Combine like terms: 12 + -7 = 5
-2z = 5

Divide each side by '-2'.
z = -2.5

Simplifying
z = -2.5

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