-7z+9z=z+8-3z

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Solution for -7z+9z=z+8-3z equation:


Simplifying
-7z + 9z = z + 8 + -3z

Combine like terms: -7z + 9z = 2z
2z = z + 8 + -3z

Reorder the terms:
2z = 8 + z + -3z

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

Solving
2z = 8 + -2z

Solving for variable 'z'.

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

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

Combine like terms: 2z + 2z = 4z
4z = 8 + -2z + 2z

Combine like terms: -2z + 2z = 0
4z = 8 + 0
4z = 8

Divide each side by '4'.
z = 2

Simplifying
z = 2

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