(8+5)/2*20=x

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Solution for (8+5)/2*20=x equation: 



(8+5)/2*20=x

We move all terms to the left:

(8+5)/2*20-(x)=0

We add all the numbers together, and all the variables

-x+13/2*20=0

We add all the numbers together, and all the variables

-1x+13/2*20=0

We multiply all the terms by the denominator


-1x*2*20+13=0

Wy multiply elements

-40x*2+13=0

Wy multiply elements

-80x+13=0

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

-80x=-13

x=-13/-80

x=13/80

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