-7(2r-3)=105

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Solution for -7(2r-3)=105 equation: 



-7(2r-3)=105

We move all terms to the left:

-7(2r-3)-(105)=0

We multiply parentheses

-14r+21-105=0

We add all the numbers together, and all the variables

-14r-84=0

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

-14r=84

r=84/-14

r=-6

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