7-(x+3)=1+2

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



7-(x+3)=1+2

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(x+3)+4=0

We get rid of parentheses

-x-3+4=0

We add all the numbers together, and all the variables

-1x+1=0

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

-x=-1

x=-1/-1

x=1

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