20-x=2(x+1)

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Solution for 20-x=2(x+1) equation:


Simplifying
20 + -1x = 2(x + 1)

Reorder the terms:
20 + -1x = 2(1 + x)
20 + -1x = (1 * 2 + x * 2)
20 + -1x = (2 + 2x)

Solving
20 + -1x = 2 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
20 + -1x + -2x = 2 + 2x + -2x

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

Combine like terms: 2x + -2x = 0
20 + -3x = 2 + 0
20 + -3x = 2

Add '-20' to each side of the equation.
20 + -20 + -3x = 2 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = 2 + -20
-3x = 2 + -20

Combine like terms: 2 + -20 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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