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7x/8=21 a. 24 b. 18.375 c. 1.857 d. 19

7x/8=21 a. 24 b. 18.375 c. 1.857 d. 19
88.9k views
3 votes
7x/8=21
a. 24
b. 18.375
c. 1.857
d. 19

User Kjetil Joergensen
by
7.6k points

1 Answer

4 votes
Multiply both sides by the reciprocal


(8/7) 7x/8 = 21(8/7)

The answer is x = 24
User Aref Zamani
by
7.8k points
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User Xrcwrn
asked Nov 11, 2017 84.5k views
7x/8 = 21 (7x/8)(8) = 21 (8) 7x = 168 7x/7 = 168/7 (x = 24) A. 24************* B. 18.375 C. 1.857 D. 19
Xrcwrn asked Nov 11, 2017
by Xrcwrn
8.3k points
1 answer
5 votes
84.5k views
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