7z+1-5z=8+z-1

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Solution for 7z+1-5z=8+z-1 equation:


Simplifying
7z + 1 + -5z = 8 + z + -1

Reorder the terms:
1 + 7z + -5z = 8 + z + -1

Combine like terms: 7z + -5z = 2z
1 + 2z = 8 + z + -1

Reorder the terms:
1 + 2z = 8 + -1 + z

Combine like terms: 8 + -1 = 7
1 + 2z = 7 + z

Solving
1 + 2z = 7 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
1 + 2z + -1z = 7 + z + -1z

Combine like terms: 2z + -1z = 1z
1 + 1z = 7 + z + -1z

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

Add '-1' to each side of the equation.
1 + -1 + 1z = 7 + -1

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

Combine like terms: 7 + -1 = 6
1z = 6

Divide each side by '1'.
z = 6

Simplifying
z = 6

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