7x+21+3x=-3

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Solution for 7x+21+3x=-3 equation: 



7x+21+3x=-3

We move all terms to the left:

7x+21+3x-(-3)=0

We add all the numbers together, and all the variables

10x+24=0

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

10x=-24

x=-24/10

x=-2+2/5

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