7x+3=-3x

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



7x+3=-3x

We move all terms to the left:

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

We get rid of parentheses

7x+3x+3=0

We add all the numbers together, and all the variables

10x+3=0

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

10x=-3

x=-3/10

x=-3/10

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