x+3+2x=x+20

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Solution for x+3+2x=x+20 equation:


Simplifying
x + 3 + 2x = x + 20

Reorder the terms:
3 + x + 2x = x + 20

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

Reorder the terms:
3 + 3x = 20 + x

Solving
3 + 3x = 20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 3x + -1x = 20 + x + -1x

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

Combine like terms: x + -1x = 0
3 + 2x = 20 + 0
3 + 2x = 20

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

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

Combine like terms: 20 + -3 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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