2z+6+7z-3=5z+12

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Solution for 2z+6+7z-3=5z+12 equation:


Simplifying
2z + 6 + 7z + -3 = 5z + 12

Reorder the terms:
6 + -3 + 2z + 7z = 5z + 12

Combine like terms: 6 + -3 = 3
3 + 2z + 7z = 5z + 12

Combine like terms: 2z + 7z = 9z
3 + 9z = 5z + 12

Reorder the terms:
3 + 9z = 12 + 5z

Solving
3 + 9z = 12 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
3 + 9z + -5z = 12 + 5z + -5z

Combine like terms: 9z + -5z = 4z
3 + 4z = 12 + 5z + -5z

Combine like terms: 5z + -5z = 0
3 + 4z = 12 + 0
3 + 4z = 12

Add '-3' to each side of the equation.
3 + -3 + 4z = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 4z = 12 + -3
4z = 12 + -3

Combine like terms: 12 + -3 = 9
4z = 9

Divide each side by '4'.
z = 2.25

Simplifying
z = 2.25

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