8+9z-5=9z+7-2z

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Solution for 8+9z-5=9z+7-2z equation:


Simplifying
8 + 9z + -5 = 9z + 7 + -2z

Reorder the terms:
8 + -5 + 9z = 9z + 7 + -2z

Combine like terms: 8 + -5 = 3
3 + 9z = 9z + 7 + -2z

Reorder the terms:
3 + 9z = 7 + 9z + -2z

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

Solving
3 + 9z = 7 + 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.
3 + 9z + -7z = 7 + 7z + -7z

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

Combine like terms: 7z + -7z = 0
3 + 2z = 7 + 0
3 + 2z = 7

Add '-3' to each side of the equation.
3 + -3 + 2z = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 2z = 7 + -3
2z = 7 + -3

Combine like terms: 7 + -3 = 4
2z = 4

Divide each side by '2'.
z = 2

Simplifying
z = 2

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