13z+31=17z-4

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Solution for 13z+31=17z-4 equation:


Simplifying
13z + 31 = 17z + -4

Reorder the terms:
31 + 13z = 17z + -4

Reorder the terms:
31 + 13z = -4 + 17z

Solving
31 + 13z = -4 + 17z

Solving for variable 'z'.

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

Add '-17z' to each side of the equation.
31 + 13z + -17z = -4 + 17z + -17z

Combine like terms: 13z + -17z = -4z
31 + -4z = -4 + 17z + -17z

Combine like terms: 17z + -17z = 0
31 + -4z = -4 + 0
31 + -4z = -4

Add '-31' to each side of the equation.
31 + -31 + -4z = -4 + -31

Combine like terms: 31 + -31 = 0
0 + -4z = -4 + -31
-4z = -4 + -31

Combine like terms: -4 + -31 = -35
-4z = -35

Divide each side by '-4'.
z = 8.75

Simplifying
z = 8.75

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