78=3x-4-x

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Solution for 78=3x-4-x equation:


Simplifying
78 = 3x + -4 + -1x

Reorder the terms:
78 = -4 + 3x + -1x

Combine like terms: 3x + -1x = 2x
78 = -4 + 2x

Solving
78 = -4 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
78 + -2x = -4 + 2x + -2x

Combine like terms: 2x + -2x = 0
78 + -2x = -4 + 0
78 + -2x = -4

Add '-78' to each side of the equation.
78 + -78 + -2x = -4 + -78

Combine like terms: 78 + -78 = 0
0 + -2x = -4 + -78
-2x = -4 + -78

Combine like terms: -4 + -78 = -82
-2x = -82

Divide each side by '-2'.
x = 41

Simplifying
x = 41

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