-2x/10+3=21

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Solution for -2x/10+3=21 equation: 



-2x/10+3=21

We move all terms to the left:

-2x/10+3-(21)=0

We add all the numbers together, and all the variables

-2x/10-18=0

We multiply all the terms by the denominator


-2x-18*10=0

We add all the numbers together, and all the variables

-2x-180=0

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

-2x=180

x=180/-2

x=-90

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