20(5-k)=1/2(80+80k)

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Solution for 20(5-k)=1/2(80+80k) equation: 



20(5-k)=1/2(80+80k)

We move all terms to the left:

20(5-k)-(1/2(80+80k))=0



Domain of the equation: 2(80+80k))!=0

k∈R



We add all the numbers together, and all the variables

20(-1k+5)-(1/2(80k+80))=0

We multiply parentheses

-20k-(1/2(80k+80))+100=0

We multiply all the terms by the denominator


-20k*2(80k+80))-(1+100*2(80k+80))=0

Wy multiply elements

-40k^2(8+200k(8=0

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