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5 votes
How do you work this problem out -7+4r =100

2 Answers

4 votes

The answer is:

R = 107/4


1 Regroup terms:

4r−7=100


2 Add:

4r=100+7


3 Simplify:

4r=107


4 Divide both sides:

R = 107/4



7 votes

Question: -7 + 4r = 100

Steps:

1. Add 7 to both sides

-7 + 7 + 4r = 100 + 7

2. Simplify,

4r = 107

3. Divide both sides by 4:

4r/4 = 107/4

4. Simplify,

r = 26.75 <-------- Answer


Hope this helped!!!