30+42+18+2x-45+3x-12=180

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Solution for 30+42+18+2x-45+3x-12=180 equation: 


Simplifying
30 + 42 + 18 + 2x + -45 + 3x + -12 = 180

Reorder the terms:
30 + 42 + 18 + -45 + -12 + 2x + 3x = 180

Combine like terms: 30 + 42 = 72
72 + 18 + -45 + -12 + 2x + 3x = 180

Combine like terms: 72 + 18 = 90
90 + -45 + -12 + 2x + 3x = 180

Combine like terms: 90 + -45 = 45
45 + -12 + 2x + 3x = 180

Combine like terms: 45 + -12 = 33
33 + 2x + 3x = 180

Combine like terms: 2x + 3x = 5x
33 + 5x = 180

Solving
33 + 5x = 180

Solving for variable 'x'.

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

Add '-33' to each side of the equation.
33 + -33 + 5x = 180 + -33

Combine like terms: 33 + -33 = 0
0 + 5x = 180 + -33
5x = 180 + -33

Combine like terms: 180 + -33 = 147
5x = 147

Divide each side by '5'.
x = 29.4

Simplifying
x = 29.4

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