7+15z-2=7z+109-5z

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Solution for 7+15z-2=7z+109-5z equation:


Simplifying
7 + 15z + -2 = 7z + 109 + -5z

Reorder the terms:
7 + -2 + 15z = 7z + 109 + -5z

Combine like terms: 7 + -2 = 5
5 + 15z = 7z + 109 + -5z

Reorder the terms:
5 + 15z = 109 + 7z + -5z

Combine like terms: 7z + -5z = 2z
5 + 15z = 109 + 2z

Solving
5 + 15z = 109 + 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.
5 + 15z + -2z = 109 + 2z + -2z

Combine like terms: 15z + -2z = 13z
5 + 13z = 109 + 2z + -2z

Combine like terms: 2z + -2z = 0
5 + 13z = 109 + 0
5 + 13z = 109

Add '-5' to each side of the equation.
5 + -5 + 13z = 109 + -5

Combine like terms: 5 + -5 = 0
0 + 13z = 109 + -5
13z = 109 + -5

Combine like terms: 109 + -5 = 104
13z = 104

Divide each side by '13'.
z = 8

Simplifying
z = 8

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