the sum of three numbers is 78. the third number is 2 times the second. the first number is 6 less than the second. what are the

Question

SashulF [63]

3 years ago

11

the sum of three numbers is 78. the third number is 2 times the second. the first number is 6 less than the second. what are the

numbers

Mathematics

1 answer:

MariettaO [177] · Answer 1 · 2022-03-15T23:49:53+03:00

MariettaO [177]3 years ago

6 0

When we give x to second, then the third will be 2x and according to informations first one should be x-6. Then you have to sum all. It ll be equal to 4x-6.
78=4x-6
84=4x
21=x
So, first number is 15, second one is 21 and the last one is 42