-2-(-2z)+4=16

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Solution for -2-(-2z)+4=16 equation:


Simplifying
-2 + -1(-2z) + 4 = 16

Remove parenthesis around (-2z)
-2 + -1 * -2z + 4 = 16

Multiply -1 * -2
-2 + 2z + 4 = 16

Reorder the terms:
-2 + 4 + 2z = 16

Combine like terms: -2 + 4 = 2
2 + 2z = 16

Solving
2 + 2z = 16

Solving for variable 'z'.

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

Add '-2' to each side of the equation.
2 + -2 + 2z = 16 + -2

Combine like terms: 2 + -2 = 0
0 + 2z = 16 + -2
2z = 16 + -2

Combine like terms: 16 + -2 = 14
2z = 14

Divide each side by '2'.
z = 7

Simplifying
z = 7

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