4(1.3r-7.8)=92.5

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Solution for 4(1.3r-7.8)=92.5 equation: 



4(1.3r-7.8)=92.5

We move all terms to the left:

4(1.3r-7.8)-(92.5)=0

We add all the numbers together, and all the variables

4(1.3r-7.8)-92.5=0

We multiply parentheses

4r-31.2-92.5=0

We add all the numbers together, and all the variables

4r-123.7=0

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

4r=123.7

r=123.7/4

r=30+2.17647058824/2.35294117647

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