7x+3x+10=-20

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Solution for 7x+3x+10=-20 equation: 



7x+3x+10=-20

We move all terms to the left:

7x+3x+10-(-20)=0

We add all the numbers together, and all the variables

10x+30=0

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

10x=-30

x=-30/10

x=-3

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