4R-7=-0.3r+2.8

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Solution for 4R-7=-0.3r+2.8 equation: 



4-7=-0.3R+2.8

We move all terms to the left:

4-7-(-0.3R+2.8)=0

We add all the numbers together, and all the variables

-(-0.3R+2.8)-3=0

We get rid of parentheses

0.3R-2.8-3=0

We add all the numbers together, and all the variables

0.3R-5.8=0

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

0.3R=5.8

R=5.8/0.3

R=19+0.1/0.3

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