1.8(2.5r-8.1)=90.3

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Solution for 1.8(2.5r-8.1)=90.3 equation: 



1.8(2.5r-8.1)=90.3

We move all terms to the left:

1.8(2.5r-8.1)-(90.3)=0

We add all the numbers together, and all the variables

1.8(2.5r-8.1)-90.3=0

We multiply parentheses

3.6r-14.58-90.3=0

We add all the numbers together, and all the variables

3.6r-104.88=0

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

3.6r=104.88

r=104.88/3.6

r=29+0.48/3.6

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