(50*(8-x))/2+50x=400

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Solution for (50*(8-x))/2+50x=400 equation: 



(50(8-x))/2+50x=400

We move all terms to the left:

(50(8-x))/2+50x-(400)=0

We add all the numbers together, and all the variables

(50(-1x+8))/2+50x-400=0

We add all the numbers together, and all the variables

50x+(50(-1x+8))/2-400=0

We multiply all the terms by the denominator


50x*2+(50(-1x+8))-400*2=0



We calculate terms in parentheses: +(50(-1x+8)), so:

50(-1x+8)

We multiply parentheses

-50x+400

Back to the equation:

+(-50x+400)



We add all the numbers together, and all the variables

50x*2+(-50x+400)-800=0

Wy multiply elements

100x+(-50x+400)-800=0

We get rid of parentheses

100x-50x+400-800=0

We add all the numbers together, and all the variables

50x-400=0

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

50x=400

x=400/50

x=8

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