24=0.80r+(0.80)(12)+8.4

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Solution for 24=0.80r+(0.80)(12)+8.4 equation: 



24=0.80r+(0.80)(12)+8.4

We move all terms to the left:

24-(0.80r+(0.80)(12)+8.4)=0

We add all the numbers together, and all the variables

-(0.80r+(0.8)12+8.4)+24=0



We calculate terms in parentheses: -(0.80r+(0.8)12+8.4), so:

0.80r+(0.8)12+8.4

determiningTheFunctionDomain
0.80r+8.4+(0.8)12

We add all the numbers together, and all the variables

0.80r+18

Back to the equation:

-(0.80r+18)



We get rid of parentheses

-0.80r-18+24=0

We add all the numbers together, and all the variables

-0.8r+6=0

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

-0.8r=-6

r=-6/-0.8

r=7+0.4/0.8

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