(x-12)+(2x-8)=13

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Solution for (x-12)+(2x-8)=13 equation:


Simplifying
(x + -12) + (2x + -8) = 13

Reorder the terms:
(-12 + x) + (2x + -8) = 13

Remove parenthesis around (-12 + x)
-12 + x + (2x + -8) = 13

Reorder the terms:
-12 + x + (-8 + 2x) = 13

Remove parenthesis around (-8 + 2x)
-12 + x + -8 + 2x = 13

Reorder the terms:
-12 + -8 + x + 2x = 13

Combine like terms: -12 + -8 = -20
-20 + x + 2x = 13

Combine like terms: x + 2x = 3x
-20 + 3x = 13

Solving
-20 + 3x = 13

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 3x = 13 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 13 + 20
3x = 13 + 20

Combine like terms: 13 + 20 = 33
3x = 33

Divide each side by '3'.
x = 11

Simplifying
x = 11

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