21/x = 7/5
21/x = 7/5 x = (7/5)/(21) x = (21 * 5)/7 x = 105/7 x = 15
Question
Updated 3/1/2017 4:31:05 AM
Edited by Andrew. [3/1/2017 4:31:03 AM]
Rating
3
21/x = 7/5
x = (7/5)/(21)
x = (21 * 5)/7
x = 105/7
x = 15

Questions asked by the same visitor
(X + 2)(x + 1)
Question
Updated 9/1/2014 5:07:27 PM
(x + 2)(x + 1)

= x^2 + x + 2x + 2;

= x^2 + 3x + 2
Confirmed by yumdrea [9/1/2014 5:10:21 PM]
Solve the proportion for x: 2/3 = x/30
Weegy: 2/3 = x/30; x = 30 * 2/3; x = 60/3; x = 20 (More)
Question
Updated 7/31/2014 4:37:43 PM
Multiply and simplify : (x + 2)(x + 1)
Weegy: The answer is x^2 (More)
Question
Updated 7/31/2014 4:36:34 PM
(x + 2)(x + 1)
= x^2 + x + 2x + 2
= x^2 + 3x + 2
27,368,222
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