7=2(5+x)+3

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Solution for 7=2(5+x)+3 equation: 



7=2(5+x)+3

We move all terms to the left:

7-(2(5+x)+3)=0

We add all the numbers together, and all the variables

-(2(x+5)+3)+7=0



We calculate terms in parentheses: -(2(x+5)+3), so:

2(x+5)+3

We multiply parentheses

2x+10+3

We add all the numbers together, and all the variables

2x+13

Back to the equation:

-(2x+13)



We get rid of parentheses

-2x-13+7=0

We add all the numbers together, and all the variables

-2x-6=0

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

-2x=6

x=6/-2

x=-3

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