(p+(0.8p)+(p-0.4))/2=1.9

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Solution for (p+(0.8p)+(p-0.4))/2=1.9 equation: 



(p+(0.8p)+(p-0.4))/2=1.9

We move all terms to the left:

(p+(0.8p)+(p-0.4))/2-(1.9)=0

We add all the numbers together, and all the variables

(p+(+0.8p)+(p-0.4))/2-(1.9)=0

We add all the numbers together, and all the variables

(p+(+0.8p)+(p-0.4))/2-1.9=0

We multiply all the terms by the denominator


(p+(+0.8p)+(p-0.4))-(1.9)*2=0



We calculate terms in parentheses: +(p+(+0.8p)+(p-0.4)), so:

p+(+0.8p)+(p-0.4)

We get rid of parentheses

p+0.8p+p-0.4

We add all the numbers together, and all the variables

2.8p-0.4

Back to the equation:

+(2.8p-0.4)



We add all the numbers together, and all the variables

(2.8p-0.4)-3.8=0

We get rid of parentheses

2.8p-0.4-3.8=0

We add all the numbers together, and all the variables

2.8p-4.2=0

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

2.8p=4.2

p=4.2/2.8

p=1+1/2

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