9z+5-z=3+7z+9

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Solution for 9z+5-z=3+7z+9 equation:


Simplifying
9z + 5 + -1z = 3 + 7z + 9

Reorder the terms:
5 + 9z + -1z = 3 + 7z + 9

Combine like terms: 9z + -1z = 8z
5 + 8z = 3 + 7z + 9

Reorder the terms:
5 + 8z = 3 + 9 + 7z

Combine like terms: 3 + 9 = 12
5 + 8z = 12 + 7z

Solving
5 + 8z = 12 + 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.
5 + 8z + -7z = 12 + 7z + -7z

Combine like terms: 8z + -7z = 1z
5 + 1z = 12 + 7z + -7z

Combine like terms: 7z + -7z = 0
5 + 1z = 12 + 0
5 + 1z = 12

Add '-5' to each side of the equation.
5 + -5 + 1z = 12 + -5

Combine like terms: 5 + -5 = 0
0 + 1z = 12 + -5
1z = 12 + -5

Combine like terms: 12 + -5 = 7
1z = 7

Divide each side by '1'.
z = 7

Simplifying
z = 7

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