x*2+x*2+x=40

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Solution for x*2+x*2+x=40 equation: 



x*2+x*2+x=40

We move all terms to the left:

x*2+x*2+x-(40)=0

We add all the numbers together, and all the variables

x+x*2+x*2-40=0

Wy multiply elements

x+2x+2x-40=0

We add all the numbers together, and all the variables

5x-40=0

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

5x=40

x=40/5

x=8

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