r+-4=-5/2

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Solution for r+-4=-5/2 equation: 



r+-4=-5/2

We move all terms to the left:

r+-4-(-5/2)=0

We add all the numbers together, and all the variables

r-(-5/2)=0

We get rid of parentheses

r+5/2=0

We multiply all the terms by the denominator


r*2+5=0

Wy multiply elements

2r+5=0

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

2r=-5

r=-5/2

r=-2+1/2

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