8(z-1)=7z

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Solution for 8(z-1)=7z equation:


Simplifying
8(z + -1) = 7z

Reorder the terms:
8(-1 + z) = 7z
(-1 * 8 + z * 8) = 7z
(-8 + 8z) = 7z

Solving
-8 + 8z = 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.
-8 + 8z + -7z = 7z + -7z

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

Combine like terms: 7z + -7z = 0
-8 + 1z = 0

Add '8' to each side of the equation.
-8 + 8 + 1z = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 1z = 0 + 8
1z = 0 + 8

Combine like terms: 0 + 8 = 8
1z = 8

Divide each side by '1'.
z = 8

Simplifying
z = 8

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