3=2(5+2x)+1

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Solution for 3=2(5+2x)+1 equation: 



3=2(5+2x)+1

We move all terms to the left:

3-(2(5+2x)+1)=0

We add all the numbers together, and all the variables

-(2(2x+5)+1)+3=0



We calculate terms in parentheses: -(2(2x+5)+1), so:

2(2x+5)+1

We multiply parentheses

4x+10+1

We add all the numbers together, and all the variables

4x+11

Back to the equation:

-(4x+11)



We get rid of parentheses

-4x-11+3=0

We add all the numbers together, and all the variables

-4x-8=0

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

-4x=8

x=8/-4

x=-2

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