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.

Question

Mathematics

Tinker

26 December, 08:48

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.

+1

Answers (1)

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Lizbeth Salas · Answer 1

-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