Question

Four times Greg's age, decreased by 3 is equal to 3 times Greg's age increased by 7. How old is Greg?

O 9
O 11
O 10
O 8

Answer 1

let Greg's age be X

therefore;

4X - 3 = 3X + 7

4X - 3X = 7 + 3

X = 10

Greg is 10 years old

hope it's helpful