3x+x+77+x-20=180

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Solution for 3x+x+77+x-20=180 equation:


Simplifying
3x + x + 77 + x + -20 = 180

Reorder the terms:
77 + -20 + 3x + x + x = 180

Combine like terms: 77 + -20 = 57
57 + 3x + x + x = 180

Combine like terms: 3x + x = 4x
57 + 4x + x = 180

Combine like terms: 4x + x = 5x
57 + 5x = 180

Solving
57 + 5x = 180

Solving for variable 'x'.

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

Add '-57' to each side of the equation.
57 + -57 + 5x = 180 + -57

Combine like terms: 57 + -57 = 0
0 + 5x = 180 + -57
5x = 180 + -57

Combine like terms: 180 + -57 = 123
5x = 123

Divide each side by '5'.
x = 24.6

Simplifying
x = 24.6

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