6x+20=13-x

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Solution for 6x+20=13-x equation:


Simplifying
6x + 20 = 13 + -1x

Reorder the terms:
20 + 6x = 13 + -1x

Solving
20 + 6x = 13 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
20 + 6x + x = 13 + -1x + x

Combine like terms: 6x + x = 7x
20 + 7x = 13 + -1x + x

Combine like terms: -1x + x = 0
20 + 7x = 13 + 0
20 + 7x = 13

Add '-20' to each side of the equation.
20 + -20 + 7x = 13 + -20

Combine like terms: 20 + -20 = 0
0 + 7x = 13 + -20
7x = 13 + -20

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

Divide each side by '7'.
x = -1

Simplifying
x = -1

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