15+13-8=12z-z+7

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Solution for 15+13-8=12z-z+7 equation:


Simplifying
15 + 13 + -8 = 12z + -1z + 7

Combine like terms: 15 + 13 = 28
28 + -8 = 12z + -1z + 7

Combine like terms: 28 + -8 = 20
20 = 12z + -1z + 7

Reorder the terms:
20 = 7 + 12z + -1z

Combine like terms: 12z + -1z = 11z
20 = 7 + 11z

Solving
20 = 7 + 11z

Solving for variable 'z'.

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

Add '-11z' to each side of the equation.
20 + -11z = 7 + 11z + -11z

Combine like terms: 11z + -11z = 0
20 + -11z = 7 + 0
20 + -11z = 7

Add '-20' to each side of the equation.
20 + -20 + -11z = 7 + -20

Combine like terms: 20 + -20 = 0
0 + -11z = 7 + -20
-11z = 7 + -20

Combine like terms: 7 + -20 = -13
-11z = -13

Divide each side by '-11'.
z = 1.181818182

Simplifying
z = 1.181818182

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