(10x-3)+(12-x)=180

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Solution for (10x-3)+(12-x)=180 equation:


Simplifying
(10x + -3) + (12 + -1x) = 180

Reorder the terms:
(-3 + 10x) + (12 + -1x) = 180

Remove parenthesis around (-3 + 10x)
-3 + 10x + (12 + -1x) = 180

Remove parenthesis around (12 + -1x)
-3 + 10x + 12 + -1x = 180

Reorder the terms:
-3 + 12 + 10x + -1x = 180

Combine like terms: -3 + 12 = 9
9 + 10x + -1x = 180

Combine like terms: 10x + -1x = 9x
9 + 9x = 180

Solving
9 + 9x = 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 + 9x = 180 + -9

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

Combine like terms: 180 + -9 = 171
9x = 171

Divide each side by '9'.
x = 19

Simplifying
x = 19

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