5x+20-x=7(3+x)-3

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Solution for 5x+20-x=7(3+x)-3 equation: 



5x+20-x=7(3+x)-3

We move all terms to the left:

5x+20-x-(7(3+x)-3)=0

We add all the numbers together, and all the variables

5x-x-(7(x+3)-3)+20=0

We add all the numbers together, and all the variables

4x-(7(x+3)-3)+20=0



We calculate terms in parentheses: -(7(x+3)-3), so:

7(x+3)-3

We multiply parentheses

7x+21-3

We add all the numbers together, and all the variables

7x+18

Back to the equation:

-(7x+18)



We get rid of parentheses

4x-7x-18+20=0

We add all the numbers together, and all the variables

-3x+2=0

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

-3x=-2

x=-2/-3

x=2/3

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