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Tanzania [10]
3 years ago
13

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

12 is added to the product. what is the​ number? the number is negative 6.
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
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
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