7x+3(2x+1)=100

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Solution for 7x+3(2x+1)=100 equation: 



7x+3(2x+1)=100

We move all terms to the left:

7x+3(2x+1)-(100)=0

We multiply parentheses

7x+6x+3-100=0

We add all the numbers together, and all the variables

13x-97=0

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

13x=97

x=97/13

x=7+6/13

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