3z-6(4z-20)=-4z-16

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Solution for 3z-6(4z-20)=-4z-16 equation:


Simplifying
3z + -6(4z + -20) = -4z + -16

Reorder the terms:
3z + -6(-20 + 4z) = -4z + -16
3z + (-20 * -6 + 4z * -6) = -4z + -16
3z + (120 + -24z) = -4z + -16

Reorder the terms:
120 + 3z + -24z = -4z + -16

Combine like terms: 3z + -24z = -21z
120 + -21z = -4z + -16

Reorder the terms:
120 + -21z = -16 + -4z

Solving
120 + -21z = -16 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
120 + -21z + 4z = -16 + -4z + 4z

Combine like terms: -21z + 4z = -17z
120 + -17z = -16 + -4z + 4z

Combine like terms: -4z + 4z = 0
120 + -17z = -16 + 0
120 + -17z = -16

Add '-120' to each side of the equation.
120 + -120 + -17z = -16 + -120

Combine like terms: 120 + -120 = 0
0 + -17z = -16 + -120
-17z = -16 + -120

Combine like terms: -16 + -120 = -136
-17z = -136

Divide each side by '-17'.
z = 8

Simplifying
z = 8

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