5x+39+3x+21+3x+21=180

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Solution for 5x+39+3x+21+3x+21=180 equation:


Simplifying
5x + 39 + 3x + 21 + 3x + 21 = 180

Reorder the terms:
39 + 21 + 21 + 5x + 3x + 3x = 180

Combine like terms: 39 + 21 = 60
60 + 21 + 5x + 3x + 3x = 180

Combine like terms: 60 + 21 = 81
81 + 5x + 3x + 3x = 180

Combine like terms: 5x + 3x = 8x
81 + 8x + 3x = 180

Combine like terms: 8x + 3x = 11x
81 + 11x = 180

Solving
81 + 11x = 180

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + 11x = 180 + -81

Combine like terms: 81 + -81 = 0
0 + 11x = 180 + -81
11x = 180 + -81

Combine like terms: 180 + -81 = 99
11x = 99

Divide each side by '11'.
x = 9

Simplifying
x = 9

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