8z+7z=5z-4+z

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Solution for 8z+7z=5z-4+z equation:


Simplifying
8z + 7z = 5z + -4 + z

Combine like terms: 8z + 7z = 15z
15z = 5z + -4 + z

Reorder the terms:
15z = -4 + 5z + z

Combine like terms: 5z + z = 6z
15z = -4 + 6z

Solving
15z = -4 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
15z + -6z = -4 + 6z + -6z

Combine like terms: 15z + -6z = 9z
9z = -4 + 6z + -6z

Combine like terms: 6z + -6z = 0
9z = -4 + 0
9z = -4

Divide each side by '9'.
z = -0.4444444444

Simplifying
z = -0.4444444444

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