-3(-4-7z)=7z

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Solution for -3(-4-7z)=7z equation:


Simplifying
-3(-4 + -7z) = 7z
(-4 * -3 + -7z * -3) = 7z
(12 + 21z) = 7z

Solving
12 + 21z = 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
12 + 21z + -7z = 7z + -7z

Combine like terms: 21z + -7z = 14z
12 + 14z = 7z + -7z

Combine like terms: 7z + -7z = 0
12 + 14z = 0

Add '-12' to each side of the equation.
12 + -12 + 14z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 14z = 0 + -12
14z = 0 + -12

Combine like terms: 0 + -12 = -12
14z = -12

Divide each side by '14'.
z = -0.8571428571

Simplifying
z = -0.8571428571

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