i dont know but tell math to stop giving people problems. We have our own problems!
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Begin by writing it down:-5a + 6 = 56Subtract 6 from each side:-5a = 50Divide each side by 5:-a = 10Multiply each side by -1 :a = -10
Credit cards have a series of 14-16 digits, beginning with the numbers 3, 4, 5 or 6. American Express cards begin with 3 and have 15 digits. Diners Club and Carte Blanche (JCB) cards begin with 3 and have 14 or 16 digits. Visa cards begin with 4 and have 16 digits. (Old cards used to have 14 digits). Mastercard cards begin with 5 and have 16 digits. Discover cards begin with 6 (usually 6011) and have 16 digits.
Some words that begin with tri [as a prefix] include: 1.trillion 2.triathlon 3.triceratops 4.trilogy 5.triangle 6.tripod 7.triad
You will need to use the FOIL formula to write this problem and begin solving it for X.
-5/6 × -6 = (-5)/6 × (-6)/1 = (-5×-6)/(6×1) = 30/6 = 5