70=-1(-2-2z)

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Solution for 70=-1(-2-2z) equation:


Simplifying
70 = -1(-2 + -2z)
70 = (-2 * -1 + -2z * -1)
70 = (2 + 2z)

Solving
70 = 2 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
70 + -2z = 2 + 2z + -2z

Combine like terms: 2z + -2z = 0
70 + -2z = 2 + 0
70 + -2z = 2

Add '-70' to each side of the equation.
70 + -70 + -2z = 2 + -70

Combine like terms: 70 + -70 = 0
0 + -2z = 2 + -70
-2z = 2 + -70

Combine like terms: 2 + -70 = -68
-2z = -68

Divide each side by '-2'.
z = 34

Simplifying
z = 34

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