9x-21+5x-9+2x=180

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Solution for 9x-21+5x-9+2x=180 equation:


Simplifying
9x + -21 + 5x + -9 + 2x = 180

Reorder the terms:
-21 + -9 + 9x + 5x + 2x = 180

Combine like terms: -21 + -9 = -30
-30 + 9x + 5x + 2x = 180

Combine like terms: 9x + 5x = 14x
-30 + 14x + 2x = 180

Combine like terms: 14x + 2x = 16x
-30 + 16x = 180

Solving
-30 + 16x = 180

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 16x = 180 + 30

Combine like terms: -30 + 30 = 0
0 + 16x = 180 + 30
16x = 180 + 30

Combine like terms: 180 + 30 = 210
16x = 210

Divide each side by '16'.
x = 13.125

Simplifying
x = 13.125

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