r/2+0.4=-2.45

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Solution for r/2+0.4=-2.45 equation: 



r/2+0.4=-2.45

We move all terms to the left:

r/2+0.4-(-2.45)=0

We add all the numbers together, and all the variables

r/2+2.85=0

We multiply all the terms by the denominator


r+(2.85)*2=0

We add all the numbers together, and all the variables

r+5.7=0

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

r=-5.7

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