4z-12=13z+78

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Solution for 4z-12=13z+78 equation:


Simplifying
4z + -12 = 13z + 78

Reorder the terms:
-12 + 4z = 13z + 78

Reorder the terms:
-12 + 4z = 78 + 13z

Solving
-12 + 4z = 78 + 13z

Solving for variable 'z'.

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

Add '-13z' to each side of the equation.
-12 + 4z + -13z = 78 + 13z + -13z

Combine like terms: 4z + -13z = -9z
-12 + -9z = 78 + 13z + -13z

Combine like terms: 13z + -13z = 0
-12 + -9z = 78 + 0
-12 + -9z = 78

Add '12' to each side of the equation.
-12 + 12 + -9z = 78 + 12

Combine like terms: -12 + 12 = 0
0 + -9z = 78 + 12
-9z = 78 + 12

Combine like terms: 78 + 12 = 90
-9z = 90

Divide each side by '-9'.
z = -10

Simplifying
z = -10

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