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Evaluate the expression without using a calculator. 71 • 9 A. 549 B. 639 C. 719 D. 720
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Asked 11/1/2013 7:31:02 PM
Updated 2/27/2015 9:08:14 AM
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This answer has been confirmed as correct and helpful.
Confirmed by debnjerry [2/27/2015 9:05:52 AM]
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User: Evaluate the expression without using a calculator. 71 • 9 A. 549 B. 639 C. 719 D. 720

Weegy: 71 • 9 = B. 639
Expert answered|alfred123|Points 4563|

User: What is the solution to the equation? 7(5 + 9) = 7 · x + 7 · 9 A. x = 1 B. x = 5 C. x = 7 D. x = 9

Question
Asked 11/1/2013 7:31:02 PM
Updated 2/27/2015 9:08:14 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by debnjerry [2/27/2015 9:05:52 AM]
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7(5 + 9) = 7 * x + 7 * 9
7(14) = 7x + 63
98 = 7x + 63
-7x = 63 - 98
-7x = -35
x = -35 / -7
x = 5
Added 2/27/2015 9:08:14 AM
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