8z+7-7z=55-7z

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Solution for 8z+7-7z=55-7z equation:


Simplifying
8z + 7 + -7z = 55 + -7z

Reorder the terms:
7 + 8z + -7z = 55 + -7z

Combine like terms: 8z + -7z = 1z
7 + 1z = 55 + -7z

Solving
7 + 1z = 55 + -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.
7 + 1z + 7z = 55 + -7z + 7z

Combine like terms: 1z + 7z = 8z
7 + 8z = 55 + -7z + 7z

Combine like terms: -7z + 7z = 0
7 + 8z = 55 + 0
7 + 8z = 55

Add '-7' to each side of the equation.
7 + -7 + 8z = 55 + -7

Combine like terms: 7 + -7 = 0
0 + 8z = 55 + -7
8z = 55 + -7

Combine like terms: 55 + -7 = 48
8z = 48

Divide each side by '8'.
z = 6

Simplifying
z = 6

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