5.6/0.4r=-8

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Solution for 5.6/0.4r=-8 equation: 



5.6/0.4r=-8

We move all terms to the left:

5.6/0.4r-(-8)=0



Domain of the equation: 0.4r!=0

r!=0/0.4

r!=0

r∈R



We add all the numbers together, and all the variables

5.6/0.4r+8=0

We multiply all the terms by the denominator


8*0.4r+5.6=0

Wy multiply elements

0r+5.6=0

We add all the numbers together, and all the variables

r+5.6=0

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

r=-5.6

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