-8(-3z-7)=20z-12

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Solution for -8(-3z-7)=20z-12 equation:


Simplifying
-8(-3z + -7) = 20z + -12

Reorder the terms:
-8(-7 + -3z) = 20z + -12
(-7 * -8 + -3z * -8) = 20z + -12
(56 + 24z) = 20z + -12

Reorder the terms:
56 + 24z = -12 + 20z

Solving
56 + 24z = -12 + 20z

Solving for variable 'z'.

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

Add '-20z' to each side of the equation.
56 + 24z + -20z = -12 + 20z + -20z

Combine like terms: 24z + -20z = 4z
56 + 4z = -12 + 20z + -20z

Combine like terms: 20z + -20z = 0
56 + 4z = -12 + 0
56 + 4z = -12

Add '-56' to each side of the equation.
56 + -56 + 4z = -12 + -56

Combine like terms: 56 + -56 = 0
0 + 4z = -12 + -56
4z = -12 + -56

Combine like terms: -12 + -56 = -68
4z = -68

Divide each side by '4'.
z = -17

Simplifying
z = -17

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