3 years ago

12 decreased by twice a number is the same as 8 times the sum of the number and four. What is the number?

Mathematics

1 answer:

inysia [295]3 years ago

7 0

The answer you're looking for is -2

12 - 2×(n)= 8×4+(n)

12 - 2×(-2)=16

8×4+(-2)=16

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