Answers: 2
Your problem becomes: 
A NEGATIVE and a POSITIVE  becomes a NEGATIVE So, this makes your problem become this ↓
Secondly, we have to SUBTRACT by 
on YOUR SIDES
We GET: 
Thirdly, we have to ADD by 30 on EACH OF YOUR SIDES
CANCEL OUT: 
because it gives you a outcome of 
KEEP: 
Because it helps us solve for our ANSWER (almost!) 
Fourthly, we have to DIVIDE by 
on each of YOUR SIDES 
CANCEL OUT: 
because it gives you a value of a 
KEEP: 
because it gives you a result of 
ANSWER: 
Good luck on your assignment and enjoy your day! ~
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You know the right answer?
30+2r=4(4r-4) how do you work this problem out...
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