21x+30=20

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Solution for 21x+30=20 equation: 



21x+30=20

We move all terms to the left:

21x+30-(20)=0

We add all the numbers together, and all the variables

21x+10=0

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

21x=-10

x=-10/21

x=-10/21

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