4=1x+7

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Solution for 4=1x+7 equation: 



4=1x+7

We move all terms to the left:

4-(1x+7)=0

We add all the numbers together, and all the variables

-(x+7)+4=0

We get rid of parentheses

-x-7+4=0

We add all the numbers together, and all the variables

-1x-3=0

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

-x=3

x=3/-1

x=-3

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