84+10-3=21x+4

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Solution for 84+10-3=21x+4 equation: 



84+10-3=21x+4

We move all terms to the left:

84+10-3-(21x+4)=0

We add all the numbers together, and all the variables

-(21x+4)+91=0

We get rid of parentheses

-21x-4+91=0

We add all the numbers together, and all the variables

-21x+87=0

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

-21x=-87

x=-87/-21

x=4+1/7

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