9z+15z-17z-16z-(-10z)=-20

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Solution for 9z+15z-17z-16z-(-10z)=-20 equation: 


Simplifying
9z + 15z + -17z + -16z + -1(-10z) = -20

Remove parenthesis around (-10z)
9z + 15z + -17z + -16z + -1 * -10z = -20

Multiply -1 * -10
9z + 15z + -17z + -16z + 10z = -20

Combine like terms: 9z + 15z = 24z
24z + -17z + -16z + 10z = -20

Combine like terms: 24z + -17z = 7z
7z + -16z + 10z = -20

Combine like terms: 7z + -16z = -9z
-9z + 10z = -20

Combine like terms: -9z + 10z = 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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