7-3=2x+42

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Solution for 7-3=2x+42 equation: 



7-3=2x+42

We move all terms to the left:

7-3-(2x+42)=0

We add all the numbers together, and all the variables

-(2x+42)+4=0

We get rid of parentheses

-2x-42+4=0

We add all the numbers together, and all the variables

-2x-38=0

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

-2x=38

x=38/-2

x=-19

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