20+x=3x

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Solution for 20+x=3x equation:


Simplifying
20 + x = 3x

Solving
20 + x = 3x

Solving for variable 'x'.

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

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

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

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

Add '-20' to each side of the equation.
20 + -20 + -2x = 0 + -20

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

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

Divide each side by '-2'.
x = 10

Simplifying
x = 10

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