15z+4-17z-9=

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Solution for 15z+4-17z-9= equation:


Simplifying
15z + 4 + -17z + -9 = 0

Reorder the terms:
4 + -9 + 15z + -17z = 0

Combine like terms: 4 + -9 = -5
-5 + 15z + -17z = 0

Combine like terms: 15z + -17z = -2z
-5 + -2z = 0

Solving
-5 + -2z = 0

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + -2z = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2z = 0 + 5
-2z = 0 + 5

Combine like terms: 0 + 5 = 5
-2z = 5

Divide each side by '-2'.
z = -2.5

Simplifying
z = -2.5

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