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nika2105 [10]
3 years ago
7

PLEASE HELP ASAP!!!!

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
8 0

Answer:

1. \frac{46}{7}

2. 6.6

3.6.8

4.\sqrt{47}

Step-by-step explanation:

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1/2r -3= 3 (4-3/2r) is to be solved for r.


I'll begin by making the assumptions that by 1/2r you actually meant (1/2)r and that by 3/2r you actually meant (3/2)r. When in doubt, please use parentheses to make your meaning clear.


Thus, 1/2r -3= 3 (4-3/2r) becomes (1/2)r -3= 3 (4-(3/2)r ) .

Simplify this by multiplying all 3 terms by 2. Doing this will eliminate the fractions:


r -6 = 3 (4*2-(3)r ) or r - 6 = 24 - 9r


Now expand the right side, using the distributive property of

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