Question

twice the difference of a number and 3 is equal to three times the sum of the number and 8. find the number

Answer 1

Explanation:

Let x = the unknown number

twice the difference of a number and 3: 2(x-3)

is equal to three times the sum of a number and 8: = 3(x+8)

2(x-3) = 3(x+8)

2x - 6 = 3x + 24

-x= 18

/-1

-18 = x