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kenny6666 [7]
3 years ago
6

-(r+4) = -3 solve each expression plz explain step by step so i can understand

Mathematics
1 answer:
Ugo [173]3 years ago
8 0
There’s an invisible 1 in front of the minus sign and an invisible 1 in front of the variable.

-1(r+4)=-3 —> -1 times 1r = -1r. -1 times 4 = -4
Multiply inside the parentheses.

-1r-4=-3

Now add 4 to both sides.

-1r-4=-3
+4=+4
-1r = 1
Now divide

R= -1
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