8z+7-4z=71-4z

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Solution for 8z+7-4z=71-4z equation:


Simplifying
8z + 7 + -4z = 71 + -4z

Reorder the terms:
7 + 8z + -4z = 71 + -4z

Combine like terms: 8z + -4z = 4z
7 + 4z = 71 + -4z

Solving
7 + 4z = 71 + -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.
7 + 4z + 4z = 71 + -4z + 4z

Combine like terms: 4z + 4z = 8z
7 + 8z = 71 + -4z + 4z

Combine like terms: -4z + 4z = 0
7 + 8z = 71 + 0
7 + 8z = 71

Add '-7' to each side of the equation.
7 + -7 + 8z = 71 + -7

Combine like terms: 7 + -7 = 0
0 + 8z = 71 + -7
8z = 71 + -7

Combine like terms: 71 + -7 = 64
8z = 64

Divide each side by '8'.
z = 8

Simplifying
z = 8

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