3x+5-4x=77

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Solution for 3x+5-4x=77 equation:


Simplifying
3x + 5 + -4x = 77

Reorder the terms:
5 + 3x + -4x = 77

Combine like terms: 3x + -4x = -1x
5 + -1x = 77

Solving
5 + -1x = 77

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -1x = 77 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 77 + -5
-1x = 77 + -5

Combine like terms: 77 + -5 = 72
-1x = 72

Divide each side by '-1'.
x = -72

Simplifying
x = -72

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