3x+10x+2x-45=180

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Solution for 3x+10x+2x-45=180 equation:


Simplifying
3x + 10x + 2x + -45 = 180

Reorder the terms:
-45 + 3x + 10x + 2x = 180

Combine like terms: 3x + 10x = 13x
-45 + 13x + 2x = 180

Combine like terms: 13x + 2x = 15x
-45 + 15x = 180

Solving
-45 + 15x = 180

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 15x = 180 + 45

Combine like terms: -45 + 45 = 0
0 + 15x = 180 + 45
15x = 180 + 45

Combine like terms: 180 + 45 = 225
15x = 225

Divide each side by '15'.
x = 15

Simplifying
x = 15

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