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34.50r+78.50(810-r)=29.045
We move all terms to the left:
34.50r+78.50(810-r)-(29.045)=0
We add all the numbers together, and all the variables
34.50r+78.50(-1r+810)-(29.045)=0
We add all the numbers together, and all the variables
34.50r+78.50(-1r+810)-29.045=0
We multiply parentheses
34.50r-78.5r+63585-29.045=0
We add all the numbers together, and all the variables
-44r+63555.955=0
We move all terms containing r to the left, all other terms to the right
-44r=-63555.955
r=-63555.955/-44
r=1444+10.207161125311/22.506393861872
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