8z+z=2z-7+5z

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Solution for 8z+z=2z-7+5z equation:


Simplifying
8z + z = 2z + -7 + 5z

Combine like terms: 8z + z = 9z
9z = 2z + -7 + 5z

Reorder the terms:
9z = -7 + 2z + 5z

Combine like terms: 2z + 5z = 7z
9z = -7 + 7z

Solving
9z = -7 + 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.
9z + -7z = -7 + 7z + -7z

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

Combine like terms: 7z + -7z = 0
2z = -7 + 0
2z = -7

Divide each side by '2'.
z = -3.5

Simplifying
z = -3.5

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