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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