2r-6+5r=3-r+7
7r-6=10-r
7r+r=10+6
8r=16
r=16/8
r=2
Answer:

Step-by-step explanation:
1) rewrite 60 as it's prime factors.

2) group the smae prime factors into pairs.

3) Rewrite each pair in exponent form.

4) use this role:


5) Simplify.

So, therefor, the answer is option 1.
Answer:
X=3
y=6
Step-by-step explanation:

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hope it helps...
have a great day!!
Answer:
55
Step-by-step explanation:
bc