z-7+10=12

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Solution for z-7+10=12 equation: 


Simplifying
z + -7 + 10 = 12

Reorder the terms:
-7 + 10 + z = 12

Combine like terms: -7 + 10 = 3
3 + z = 12

Solving
3 + z = 12

Solving for variable 'z'.

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

Add '-3' to each side of the equation.
3 + -3 + z = 12 + -3

Combine like terms: 3 + -3 = 0
0 + z = 12 + -3
z = 12 + -3

Combine like terms: 12 + -3 = 9
z = 9

Simplifying
z = 9

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