5x-21+2x+12=180

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Solution for 5x-21+2x+12=180 equation:


Simplifying
5x + -21 + 2x + 12 = 180

Reorder the terms:
-21 + 12 + 5x + 2x = 180

Combine like terms: -21 + 12 = -9
-9 + 5x + 2x = 180

Combine like terms: 5x + 2x = 7x
-9 + 7x = 180

Solving
-9 + 7x = 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 + 7x = 180 + 9

Combine like terms: -9 + 9 = 0
0 + 7x = 180 + 9
7x = 180 + 9

Combine like terms: 180 + 9 = 189
7x = 189

Divide each side by '7'.
x = 27

Simplifying
x = 27

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