Hi :)
I'd start by subtracting 1 from both sides.
We end up with :
-r=-6
Now, remember that a minus before a variable is the same as -1, and divide both sides by -1.
r=6
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Answer:
Explanation:
two step equation
1 - r = -5
r = -5 + (-1)
r = 6
------------
check
1 - 6 = -5
-5 = -5
the answer is good
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