3x-2=78

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Solution for 3x-2=78 equation: 


Simplifying
3x + -2 = 78

Reorder the terms:
-2 + 3x = 78

Solving
-2 + 3x = 78

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 3x = 78 + 2

Combine like terms: -2 + 2 = 0
0 + 3x = 78 + 2
3x = 78 + 2

Combine like terms: 78 + 2 = 80
3x = 80

Divide each side by '3'.
x = 26.66666667

Simplifying
x = 26.66666667

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