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OpenStudy (anonymous):
The sum of twice a number and thirteen is fifty-five. Find the number. Help guys
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OpenStudy (calculusxy):
2x + 13 = 55 Solve for x.
OpenStudy (calculusxy):
Do you know how to do this?
OpenStudy (anonymous):
2x=55-13 2x/2=42/2 x=21
OpenStudy (calculusxy):
Let's check. 2(21) + 13 42 + 13 55 Great job!
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