Tree times a number increased by 12 is equal to five times the number decreased by 18. Find the number

Question

Английский язык: Tree times a number increased by 12 is equal to five times the number decreased by 18. Find the number​

Lesia3081984 · Answer

15Объяснение:let n = number3n + 12 = 5n - 183n-5n = -18-12-2n=-30n=15...

Tree times a number increased by 12 is equal to five times the number decreased by 18. Find the number​