x+(x*20/100)=84

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Solution for x+(x*20/100)=84 equation: 



x+(x*20/100)=84

We move all terms to the left:

x+(x*20/100)-(84)=0

We add all the numbers together, and all the variables

x+(+x*20/100)-84=0

We get rid of parentheses

x+x*20/100-84=0

We multiply all the terms by the denominator


x*100+x*20-84*100=0

We add all the numbers together, and all the variables

x*100+x*20-8400=0

Wy multiply elements

100x+20x-8400=0

We add all the numbers together, and all the variables

120x-8400=0

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

120x=8400

x=8400/120

x=70

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