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OpenStudy (anonymous):
What's the answer for (13x-7)=12
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OpenStudy (anonymous):
Add 7 both to (13x - 7) and to 12, you obtain 13x - 7 + 7 = 12 + 7 Then 13x = 19, now divide for 13 and obtain x = 19/13 Sei italiano, Sergio? :D
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