70=-7[-2-2z]

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Solution for 70=-7[-2-2z] equation:


Simplifying
70 = -7[-2 + -2z]
70 = [-2 * -7 + -2z * -7]
70 = [14 + 14z]

Solving
70 = 14 + 14z

Solving for variable 'z'.

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

Add '-14z' to each side of the equation.
70 + -14z = 14 + 14z + -14z

Combine like terms: 14z + -14z = 0
70 + -14z = 14 + 0
70 + -14z = 14

Add '-70' to each side of the equation.
70 + -70 + -14z = 14 + -70

Combine like terms: 70 + -70 = 0
0 + -14z = 14 + -70
-14z = 14 + -70

Combine like terms: 14 + -70 = -56
-14z = -56

Divide each side by '-14'.
z = 4

Simplifying
z = 4

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