0.9+0.88r=0.09+0.77r

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Solution for 0.9+0.88r=0.09+0.77r equation: 



0.9+0.88r=0.09+0.77r

We move all terms to the left:

0.9+0.88r-(0.09+0.77r)=0

We add all the numbers together, and all the variables

0.88r-(0.77r+0.09)+0.9=0

We get rid of parentheses

0.88r-0.77r-0.09+0.9=0

We add all the numbers together, and all the variables

0.11r+0.81=0

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

0.11r=-0.81

r=-0.81/0.11

r=-7+0.04/0.11

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