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Verified Answer :

Your answer is 4,

You take r which is 10 and plug it in the equation, which is 3(10)=10+5s.
Multiply, 30=10+5s.

Now we cross over our like terms, 10 to 30. (TIP; if a number crosses the equal sign it changes signs).

So, now we subtract; 30-10=5s

Which gives us 20=5s.

All that's left is to divide 20 by 5.
20/5 = 4

twistedhyperboles

A. 4 hope this helps

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