1.1r+1.2r-5.4=-10

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Solution for 1.1r+1.2r-5.4=-10 equation: 



1.1r+1.2r-5.4=-10

We move all terms to the left:

1.1r+1.2r-5.4-(-10)=0

We add all the numbers together, and all the variables

2.3r+4.6=0

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

2.3r=-4.6

r=-4.6/2.3

r=-2

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