8 less than a number 7 times a number is the same as 4 more than 3 times the number. Find the number

Question

Kaya Farmer

Mathematics

4 January, 07:19

8 less than a number 7 times a number is the same as 4 more than 3 times the number. Find the number

+2

Answers (2)

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Pogo · Answer 1

7n-8=3n+4. You subtract 3n in both sides and get 4n-8=4. then you add 8 to both sides and get 4n=12. Finally you divide both sides by 4 too get n by itself. n=3

Shaun Valentine · Answer 2

Shaun Valentine 4 January, 07:42

0

X=3

7x-8=3x+4

4x=12

x=3