8z+7z=2z-1+7z

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Solution for 8z+7z=2z-1+7z equation:


Simplifying
8z + 7z = 2z + -1 + 7z

Combine like terms: 8z + 7z = 15z
15z = 2z + -1 + 7z

Reorder the terms:
15z = -1 + 2z + 7z

Combine like terms: 2z + 7z = 9z
15z = -1 + 9z

Solving
15z = -1 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
15z + -9z = -1 + 9z + -9z

Combine like terms: 15z + -9z = 6z
6z = -1 + 9z + -9z

Combine like terms: 9z + -9z = 0
6z = -1 + 0
6z = -1

Divide each side by '6'.
z = -0.1666666667

Simplifying
z = -0.1666666667

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