7-(2+1)=4-x

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Solution for 7-(2+1)=4-x equation:



7-(2+1)=4-x
We move all terms to the left:
7-(2+1)-(4-x)=0
We add all the numbers together, and all the variables
-(-1x+4)+7-3=0
We add all the numbers together, and all the variables
-(-1x+4)+4=0
We get rid of parentheses
1x-4+4=0
We add all the numbers together, and all the variables
x=0

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