8+6z-6=9z+30-7z

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Solution for 8+6z-6=9z+30-7z equation:


Simplifying
8 + 6z + -6 = 9z + 30 + -7z

Reorder the terms:
8 + -6 + 6z = 9z + 30 + -7z

Combine like terms: 8 + -6 = 2
2 + 6z = 9z + 30 + -7z

Reorder the terms:
2 + 6z = 30 + 9z + -7z

Combine like terms: 9z + -7z = 2z
2 + 6z = 30 + 2z

Solving
2 + 6z = 30 + 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.
2 + 6z + -2z = 30 + 2z + -2z

Combine like terms: 6z + -2z = 4z
2 + 4z = 30 + 2z + -2z

Combine like terms: 2z + -2z = 0
2 + 4z = 30 + 0
2 + 4z = 30

Add '-2' to each side of the equation.
2 + -2 + 4z = 30 + -2

Combine like terms: 2 + -2 = 0
0 + 4z = 30 + -2
4z = 30 + -2

Combine like terms: 30 + -2 = 28
4z = 28

Divide each side by '4'.
z = 7

Simplifying
z = 7

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