21x+4=-3

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Solution for 21x+4=-3 equation: 



21x+4=-3

We move all terms to the left:

21x+4-(-3)=0

We add all the numbers together, and all the variables

21x+7=0

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

21x=-7

x=-7/21

x=-1/3

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