x+3x+x-9=180

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Solution for x+3x+x-9=180 equation:


Simplifying
x + 3x + x + -9 = 180

Reorder the terms:
-9 + x + 3x + x = 180

Combine like terms: x + 3x = 4x
-9 + 4x + x = 180

Combine like terms: 4x + x = 5x
-9 + 5x = 180

Solving
-9 + 5x = 180

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 5x = 180 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 180 + 9
5x = 180 + 9

Combine like terms: 180 + 9 = 189
5x = 189

Divide each side by '5'.
x = 37.8

Simplifying
x = 37.8

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