12-(-z)=17

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Solution for 12-(-z)=17 equation:


Simplifying
12 + -1(-1z) = 17

Remove parenthesis around (-1z)
12 + -1 * -1z = 17

Multiply -1 * -1
12 + 1z = 17

Solving
12 + 1z = 17

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + 1z = 17 + -12

Combine like terms: 12 + -12 = 0
0 + 1z = 17 + -12
1z = 17 + -12

Combine like terms: 17 + -12 = 5
1z = 5

Divide each side by '1'.
z = 5

Simplifying
z = 5

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