3x+(x+2)=x+20

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


Simplifying
3x + (x + 2) = x + 20

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

Remove parenthesis around (2 + x)
3x + 2 + x = x + 20

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

Combine like terms: 3x + x = 4x
2 + 4x = x + 20

Reorder the terms:
2 + 4x = 20 + x

Solving
2 + 4x = 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.
2 + 4x + -1x = 20 + x + -1x

Combine like terms: 4x + -1x = 3x
2 + 3x = 20 + x + -1x

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

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

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

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

Divide each side by '3'.
x = 6

Simplifying
x = 6

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