12x+5+21x+12=180

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


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

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

Combine like terms: 5 + 12 = 17
17 + 12x + 21x = 180

Combine like terms: 12x + 21x = 33x
17 + 33x = 180

Solving
17 + 33x = 180

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 33x = 180 + -17

Combine like terms: 17 + -17 = 0
0 + 33x = 180 + -17
33x = 180 + -17

Combine like terms: 180 + -17 = 163
33x = 163

Divide each side by '33'.
x = 4.939393939

Simplifying
x = 4.939393939

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