F 9 is added to twice a number and this sum is multiplied by 4, the result is the same as if the number is multiplied by 4 and

Question

2 years ago

13

12 is added to the product. what is the number? the number is negative 6.

1 answer:

riadik2000 [5.3K] · Answer 1 · 2022-04-02T06:32:36+03:00

8 0

Let
x---------> the number

we know that
[9+2x]*4=4x+12
36+8x=4x+12
8x-4x=12-36
4x=-24
x=-24/4
x=-6

the answer is
-6

F 9 is added to twice a number and this sum is multiplied by 4​, the result is the same as if the number is multiplied by 4 and