x+2x+x=19

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Solution for x+2x+x=19 equation:



x+2x+x=19
We move all terms to the left:
x+2x+x-(19)=0
We add all the numbers together, and all the variables
4x-19=0
We move all terms containing x to the left, all other terms to the right
4x=19
x=19/4
x=4+3/4

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