21/x = 7/5

21/x = 7/5 x = (7/5)/(21) x = (21 * 5)/7 x = 105/7 x = 15

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Asked 6/21/2013 8:39:01 PM

Updated 3/1/2017 4:31:05 AM

1 Answer/Comment

Edited by Andrew. [3/1/2017 4:31:03 AM]

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21/x = 7/5

x = (7/5)/(21)

x = (21 * 5)/7

x = 105/7

x = 15

x = (7/5)/(21)

x = (21 * 5)/7

x = 105/7

x = 15

Added 3/1/2017 4:31:05 AM

This answer has been confirmed as correct and helpful.

Solve the proportion for x: 2/3 = x/30 **Weegy:**
2/3 = x/30;
x = 30 * 2/3;
x = 60/3;
x = 20
(More)

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Expert Answered

Updated 7/31/2014 4:37:43 PM

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Multiply and simplify : (x + 2)(x + 1) **Weegy:** The answer is x^2 (More)

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Expert Answered

Updated 7/31/2014 4:36:34 PM

1 Answer/Comment

(x + 2)(x + 1)

= x^2 + x + 2x + 2

= x^2 + 3x + 2

= x^2 + x + 2x + 2

= x^2 + 3x + 2

Added 7/31/2014 4:36:32 PM

This answer has been confirmed as correct and helpful.

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