z+12=4z-17

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Solution for z+12=4z-17 equation:


Simplifying
z + 12 = 4z + -17

Reorder the terms:
12 + z = 4z + -17

Reorder the terms:
12 + z = -17 + 4z

Solving
12 + z = -17 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
12 + z + -4z = -17 + 4z + -4z

Combine like terms: z + -4z = -3z
12 + -3z = -17 + 4z + -4z

Combine like terms: 4z + -4z = 0
12 + -3z = -17 + 0
12 + -3z = -17

Add '-12' to each side of the equation.
12 + -12 + -3z = -17 + -12

Combine like terms: 12 + -12 = 0
0 + -3z = -17 + -12
-3z = -17 + -12

Combine like terms: -17 + -12 = -29
-3z = -29

Divide each side by '-3'.
z = 9.666666667

Simplifying
z = 9.666666667

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