2(10+x)=31

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Solution for 2(10+x)=31 equation: 



2(10+x)=31

We move all terms to the left:

2(10+x)-(31)=0

We add all the numbers together, and all the variables

2(x+10)-31=0

We multiply parentheses

2x+20-31=0

We add all the numbers together, and all the variables

2x-11=0

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

2x=11

x=11/2

x=5+1/2

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