8+15z-5=9z+68-7z

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Solution for 8+15z-5=9z+68-7z equation:


Simplifying
8 + 15z + -5 = 9z + 68 + -7z

Reorder the terms:
8 + -5 + 15z = 9z + 68 + -7z

Combine like terms: 8 + -5 = 3
3 + 15z = 9z + 68 + -7z

Reorder the terms:
3 + 15z = 68 + 9z + -7z

Combine like terms: 9z + -7z = 2z
3 + 15z = 68 + 2z

Solving
3 + 15z = 68 + 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.
3 + 15z + -2z = 68 + 2z + -2z

Combine like terms: 15z + -2z = 13z
3 + 13z = 68 + 2z + -2z

Combine like terms: 2z + -2z = 0
3 + 13z = 68 + 0
3 + 13z = 68

Add '-3' to each side of the equation.
3 + -3 + 13z = 68 + -3

Combine like terms: 3 + -3 = 0
0 + 13z = 68 + -3
13z = 68 + -3

Combine like terms: 68 + -3 = 65
13z = 65

Divide each side by '13'.
z = 5

Simplifying
z = 5

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