7(-2-2z)=70

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Solution for 7(-2-2z)=70 equation: 


Simplifying
7(-2 + -2z) = 70
(-2 * 7 + -2z * 7) = 70
(-14 + -14z) = 70

Solving
-14 + -14z = 70

Solving for variable 'z'.

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

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

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

Combine like terms: 70 + 14 = 84
-14z = 84

Divide each side by '-14'.
z = -6

Simplifying
z = -6

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