3 years ago

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

Mathematics

2 answers:

Gwar [14]3 years ago

4 0

X=3

7x-8=3x+4
4x=12
x=3

zzz [600]3 years ago

3 0

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

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