5r-18=-42+r

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Solution for 5r-18=-42+r equation: 



5r-18=-42+r

We move all terms to the left:

5r-18-(-42+r)=0

We add all the numbers together, and all the variables

5r-(r-42)-18=0

We get rid of parentheses

5r-r+42-18=0

We add all the numbers together, and all the variables

4r+24=0

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

4r=-24

r=-24/4

r=-6

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