6x-78=42

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Solution for 6x-78=42 equation: 


Simplifying
6x + -78 = 42

Reorder the terms:
-78 + 6x = 42

Solving
-78 + 6x = 42

Solving for variable 'x'.

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

Add '78' to each side of the equation.
-78 + 78 + 6x = 42 + 78

Combine like terms: -78 + 78 = 0
0 + 6x = 42 + 78
6x = 42 + 78

Combine like terms: 42 + 78 = 120
6x = 120

Divide each side by '6'.
x = 20

Simplifying
x = 20

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