9+15z-7=9z+34-2z

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Solution for 9+15z-7=9z+34-2z equation: 


Simplifying
9 + 15z + -7 = 9z + 34 + -2z

Reorder the terms:
9 + -7 + 15z = 9z + 34 + -2z

Combine like terms: 9 + -7 = 2
2 + 15z = 9z + 34 + -2z

Reorder the terms:
2 + 15z = 34 + 9z + -2z

Combine like terms: 9z + -2z = 7z
2 + 15z = 34 + 7z

Solving
2 + 15z = 34 + 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.
2 + 15z + -7z = 34 + 7z + -7z

Combine like terms: 15z + -7z = 8z
2 + 8z = 34 + 7z + -7z

Combine like terms: 7z + -7z = 0
2 + 8z = 34 + 0
2 + 8z = 34

Add '-2' to each side of the equation.
2 + -2 + 8z = 34 + -2

Combine like terms: 2 + -2 = 0
0 + 8z = 34 + -2
8z = 34 + -2

Combine like terms: 34 + -2 = 32
8z = 32

Divide each side by '8'.
z = 4

Simplifying
z = 4

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