Casmereee
13.06.2020 •
Mathematics
7 was multiplied by a particular number. This product was added to 12, then divided by 10. The resulting quotient was -3. Give the initial number.
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Ответ:
-6
Step-by-step explanation:
we use X to try and find the number to which 7was multiplied
so it's 7x+12=-3
if you cross multiply you will get
7x+12=-3
10
7x+12=-30
-30-(-12)=-42
7x=-42
X=-6
Ответ:
2.4
Step-by-step explanation:
THANK you so much for the points