3x+81+3x+81=180

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Solution for 3x+81+3x+81=180 equation:


Simplifying
3x + 81 + 3x + 81 = 180

Reorder the terms:
81 + 81 + 3x + 3x = 180

Combine like terms: 81 + 81 = 162
162 + 3x + 3x = 180

Combine like terms: 3x + 3x = 6x
162 + 6x = 180

Solving
162 + 6x = 180

Solving for variable 'x'.

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

Add '-162' to each side of the equation.
162 + -162 + 6x = 180 + -162

Combine like terms: 162 + -162 = 0
0 + 6x = 180 + -162
6x = 180 + -162

Combine like terms: 180 + -162 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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