3z+5z-12z=25-(-17)

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Solution for 3z+5z-12z=25-(-17) equation: 


Simplifying
3z + 5z + -12z = 25 + -1(-17)

Combine like terms: 3z + 5z = 8z
8z + -12z = 25 + -1(-17)

Combine like terms: 8z + -12z = -4z
-4z = 25 + -1(-17)

Multiply -1 * -17
-4z = 25 + 17

Combine like terms: 25 + 17 = 42
-4z = 42

Solving
-4z = 42

Solving for variable 'z'.

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

Divide each side by '-4'.
z = -10.5

Simplifying
z = -10.5

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