x+2x=3(4+x)

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Solution for x+2x=3(4+x) equation: 


Simplifying
x + 2x = 3(4 + x)

Combine like terms: x + 2x = 3x
3x = 3(4 + x)
3x = (4 * 3 + x * 3)
3x = (12 + 3x)

Add '-3x' to each side of the equation.
3x + -3x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
0 = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
0 = 12 + 0
0 = 12

Solving
0 = 12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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