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OpenStudy (anonymous):
When 5 is added to 2 times a number, the result is 45. Find the number. A. 20 B. 45 C. 5 D. 2
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OpenStudy (bibby):
Translate the problem into an equation. 2 times a number (some unknown number) is 2x 5 more than that is 2x + 5
OpenStudy (anonymous):
2
OpenStudy (anonymous):
??
OpenStudy (bibby):
Solve 2x+5 = 45
OpenStudy (anonymous):
20
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OpenStudy (bibby):
yep
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