3x-12-2x+4-13=20

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Solution for 3x-12-2x+4-13=20 equation:


Simplifying
3x + -12 + -2x + 4 + -13 = 20

Reorder the terms:
-12 + 4 + -13 + 3x + -2x = 20

Combine like terms: -12 + 4 = -8
-8 + -13 + 3x + -2x = 20

Combine like terms: -8 + -13 = -21
-21 + 3x + -2x = 20

Combine like terms: 3x + -2x = 1x
-21 + 1x = 20

Solving
-21 + 1x = 20

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 1x = 20 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = 20 + 21
1x = 20 + 21

Combine like terms: 20 + 21 = 41
1x = 41

Divide each side by '1'.
x = 41

Simplifying
x = 41

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