6+2x+1-x=20

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Solution for 6+2x+1-x=20 equation: 


Simplifying
6 + 2x + 1 + -1x = 20

Reorder the terms:
6 + 1 + 2x + -1x = 20

Combine like terms: 6 + 1 = 7
7 + 2x + -1x = 20

Combine like terms: 2x + -1x = 1x
7 + 1x = 20

Solving
7 + 1x = 20

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 1x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + 1x = 20 + -7
1x = 20 + -7

Combine like terms: 20 + -7 = 13
1x = 13

Divide each side by '1'.
x = 13

Simplifying
x = 13

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