(z-1)+7z=5z+2

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Solution for (z-1)+7z=5z+2 equation:


Simplifying
(z + -1) + 7z = 5z + 2

Reorder the terms:
(-1 + z) + 7z = 5z + 2

Remove parenthesis around (-1 + z)
-1 + z + 7z = 5z + 2

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

Reorder the terms:
-1 + 8z = 2 + 5z

Solving
-1 + 8z = 2 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-1 + 8z + -5z = 2 + 5z + -5z

Combine like terms: 8z + -5z = 3z
-1 + 3z = 2 + 5z + -5z

Combine like terms: 5z + -5z = 0
-1 + 3z = 2 + 0
-1 + 3z = 2

Add '1' to each side of the equation.
-1 + 1 + 3z = 2 + 1

Combine like terms: -1 + 1 = 0
0 + 3z = 2 + 1
3z = 2 + 1

Combine like terms: 2 + 1 = 3
3z = 3

Divide each side by '3'.
z = 1

Simplifying
z = 1

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