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alosnomolina1122
08.04.2020 •
Mathematics
What is the value of x in the equation Negative StartFraction 6 over 7 EndFraction = Negative StartFraction x over 84 EndFraction? –98 –72 72 98
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Ответ:
The correct answer is 72
Step-by-step explanation: The expression given as negative Start fraction 6 over 7 End fraction simply means
-6/7
Also the expression given as Negative Start fraction x over 84 simply means
-x/84
So the equation properly written out reads thus;
-6/7 = -x/84
By cross multiplication, we now have
-7x = -84 x 6
-7x = -504
Divide both sides of the equation by -7
x = 72
**Note that dividing a negative number by another negative number results in a positive answer**
Ответ:
x=110