x+x/2=840

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Solution for x+x/2=840 equation: 



x+x/2=840

We move all terms to the left:

x+x/2-(840)=0

We multiply all the terms by the denominator


x*2+x-840*2=0

We add all the numbers together, and all the variables

x+x*2-1680=0

Wy multiply elements

x+2x-1680=0

We add all the numbers together, and all the variables

3x-1680=0

We move all terms containing x to the left, all other terms to the right

3x=1680

x=1680/3

x=560

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