9z+6-7z=6+z+7

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Solution for 9z+6-7z=6+z+7 equation:


Simplifying
9z + 6 + -7z = 6 + z + 7

Reorder the terms:
6 + 9z + -7z = 6 + z + 7

Combine like terms: 9z + -7z = 2z
6 + 2z = 6 + z + 7

Reorder the terms:
6 + 2z = 6 + 7 + z

Combine like terms: 6 + 7 = 13
6 + 2z = 13 + z

Solving
6 + 2z = 13 + z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-1z' to each side of the equation.
6 + 2z + -1z = 13 + z + -1z

Combine like terms: 2z + -1z = 1z
6 + 1z = 13 + z + -1z

Combine like terms: z + -1z = 0
6 + 1z = 13 + 0
6 + 1z = 13

Add '-6' to each side of the equation.
6 + -6 + 1z = 13 + -6

Combine like terms: 6 + -6 = 0
0 + 1z = 13 + -6
1z = 13 + -6

Combine like terms: 13 + -6 = 7
1z = 7

Divide each side by '1'.
z = 7

Simplifying
z = 7

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