1.58=2(r-2.79)-7.18

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Solution for 1.58=2(r-2.79)-7.18 equation: 



1.58=2(r-2.79)-7.18

We move all terms to the left:

1.58-(2(r-2.79)-7.18)=0



We calculate terms in parentheses: -(2(r-2.79)-7.18), so:

2(r-2.79)-7.18

We multiply parentheses

2r-5.58-7.18

We add all the numbers together, and all the variables

2r-12.76

Back to the equation:

-(2r-12.76)



We get rid of parentheses

-2r+12.76+1.58=0

We add all the numbers together, and all the variables

-2r+14.34=0

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

-2r=-14.34

r=-14.34/-2

r=7+0.34/2

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