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

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


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

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

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

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

Solving
6 + 5z = -12

Solving for variable 'z'.

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

Add '-6' to each side of the equation.
6 + -6 + 5z = -12 + -6

Combine like terms: 6 + -6 = 0
0 + 5z = -12 + -6
5z = -12 + -6

Combine like terms: -12 + -6 = -18
5z = -18

Divide each side by '5'.
z = -3.6

Simplifying
z = -3.6

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