(7x+3x)+2=42

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Solution for (7x+3x)+2=42 equation: 



(7x+3x)+2=42

We move all terms to the left:

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

We add all the numbers together, and all the variables

(+10x)+2-42=0

We add all the numbers together, and all the variables

(+10x)-40=0

We get rid of parentheses

10x-40=0

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

10x=40

x=40/10

x=4

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