24=0.80r+(.080)(12)+8.4

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Solution for 24=0.80r+(.080)(12)+8.4 equation: 



24=0.80r+(.080)(12)+8.4

We move all terms to the left:

24-(0.80r+(.080)(12)+8.4)=0

We add all the numbers together, and all the variables

-(0.80r+(0.08)12+8.4)+24=0



We calculate terms in parentheses: -(0.80r+(0.08)12+8.4), so:

0.80r+(0.08)12+8.4

determiningTheFunctionDomain
0.80r+8.4+(0.08)12

We add all the numbers together, and all the variables

0.80r+9.36

Back to the equation:

-(0.80r+9.36)



We get rid of parentheses

-0.80r-9.36+24=0

We add all the numbers together, and all the variables

-0.8r+14.64=0

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

-0.8r=-14.64

r=-14.64/-0.8

r=18+0.24/0.8

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