3x+12+5x-1+x+7=180

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Solution for 3x+12+5x-1+x+7=180 equation:


Simplifying
3x + 12 + 5x + -1 + x + 7 = 180

Reorder the terms:
12 + -1 + 7 + 3x + 5x + x = 180

Combine like terms: 12 + -1 = 11
11 + 7 + 3x + 5x + x = 180

Combine like terms: 11 + 7 = 18
18 + 3x + 5x + x = 180

Combine like terms: 3x + 5x = 8x
18 + 8x + x = 180

Combine like terms: 8x + x = 9x
18 + 9x = 180

Solving
18 + 9x = 180

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 9x = 180 + -18

Combine like terms: 18 + -18 = 0
0 + 9x = 180 + -18
9x = 180 + -18

Combine like terms: 180 + -18 = 162
9x = 162

Divide each side by '9'.
x = 18

Simplifying
x = 18

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