4x-12+21+3x=180

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Solution for 4x-12+21+3x=180 equation:


Simplifying
4x + -12 + 21 + 3x = 180

Reorder the terms:
-12 + 21 + 4x + 3x = 180

Combine like terms: -12 + 21 = 9
9 + 4x + 3x = 180

Combine like terms: 4x + 3x = 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 = 171
7x = 171

Divide each side by '7'.
x = 24.42857143

Simplifying
x = 24.42857143

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