-15z+3z+-13z+17z+7z=20

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Solution for -15z+3z+-13z+17z+7z=20 equation: 


Simplifying
-15z + 3z + -13z + 17z + 7z = 20

Combine like terms: -15z + 3z = -12z
-12z + -13z + 17z + 7z = 20

Combine like terms: -12z + -13z = -25z
-25z + 17z + 7z = 20

Combine like terms: -25z + 17z = -8z
-8z + 7z = 20

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

Solving
-1z = 20

Solving for variable 'z'.

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

Divide each side by '-1'.
z = -20

Simplifying
z = -20

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