4z-80=5z-78

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Solution for 4z-80=5z-78 equation:


Simplifying
4z + -80 = 5z + -78

Reorder the terms:
-80 + 4z = 5z + -78

Reorder the terms:
-80 + 4z = -78 + 5z

Solving
-80 + 4z = -78 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-80 + 4z + -5z = -78 + 5z + -5z

Combine like terms: 4z + -5z = -1z
-80 + -1z = -78 + 5z + -5z

Combine like terms: 5z + -5z = 0
-80 + -1z = -78 + 0
-80 + -1z = -78

Add '80' to each side of the equation.
-80 + 80 + -1z = -78 + 80

Combine like terms: -80 + 80 = 0
0 + -1z = -78 + 80
-1z = -78 + 80

Combine like terms: -78 + 80 = 2
-1z = 2

Divide each side by '-1'.
z = -2

Simplifying
z = -2

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