Question

решите уравнение 4х+17=3(2х-5)+9

Answer 1

4х + 17 = 3(2х - 5) + 9 4х + 17 = 6х - 15 + 9 4х - 6х = -17 - 15 + 9 -2х = -2 + 9 -2х = 7 х = 7 : 2 х = -3,5