10(2.1x)=31+4x

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Solution for 10(2.1x)=31+4x equation: 



10(2.1x)=31+4x

We move all terms to the left:

10(2.1x)-(31+4x)=0

We add all the numbers together, and all the variables

10(+2.1x)-(4x+31)=0

We multiply parentheses

20x-(4x+31)=0

We get rid of parentheses

20x-4x-31=0

We add all the numbers together, and all the variables

16x-31=0

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

16x=31

x=31/16

x=1+15/16

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