3x+11=77-x

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Solution for 3x+11=77-x equation:


Simplifying
3x + 11 = 77 + -1x

Reorder the terms:
11 + 3x = 77 + -1x

Solving
11 + 3x = 77 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
11 + 3x + x = 77 + -1x + x

Combine like terms: 3x + x = 4x
11 + 4x = 77 + -1x + x

Combine like terms: -1x + x = 0
11 + 4x = 77 + 0
11 + 4x = 77

Add '-11' to each side of the equation.
11 + -11 + 4x = 77 + -11

Combine like terms: 11 + -11 = 0
0 + 4x = 77 + -11
4x = 77 + -11

Combine like terms: 77 + -11 = 66
4x = 66

Divide each side by '4'.
x = 16.5

Simplifying
x = 16.5

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