80=1.25(1/2)-2x-5

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Solution for 80=1.25(1/2)-2x-5 equation: 



80=1.25(1/2)-2x-5

We move all terms to the left:

80-(1.25(1/2)-2x-5)=0



Domain of the equation: 2)-2x-5)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(1.25(+1/2)-2x-5)+80=0

We multiply all the terms by the denominator


-(1.25(+1+80*2)-2x-5)=0



We calculate terms in parentheses: -(1.25(+1+80*2)-2x-5), so:

1.25(+1+80*2)-2x-5

determiningTheFunctionDomain
-2x-5+1.25(+1+80*2)

We add all the numbers together, and all the variables

-2x-5+1.25161

We add all the numbers together, and all the variables

-2x-3.74839

Back to the equation:

-(-2x-3.74839)



We get rid of parentheses

2x+3.74839=0

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

2x=-3.74839

x=-3.74839/2

x=-1+1/1.1439095396336

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