(3x+10)+(9x+2)=180

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Solution for (3x+10)+(9x+2)=180 equation:


Simplifying
(3x + 10) + (9x + 2) = 180

Reorder the terms:
(10 + 3x) + (9x + 2) = 180

Remove parenthesis around (10 + 3x)
10 + 3x + (9x + 2) = 180

Reorder the terms:
10 + 3x + (2 + 9x) = 180

Remove parenthesis around (2 + 9x)
10 + 3x + 2 + 9x = 180

Reorder the terms:
10 + 2 + 3x + 9x = 180

Combine like terms: 10 + 2 = 12
12 + 3x + 9x = 180

Combine like terms: 3x + 9x = 12x
12 + 12x = 180

Solving
12 + 12x = 180

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 12x = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 12x = 180 + -12
12x = 180 + -12

Combine like terms: 180 + -12 = 168
12x = 168

Divide each side by '12'.
x = 14

Simplifying
x = 14

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