5x+15=14x-7. помогите
5 x + 15 = 14 x - 7 5x - 14 x = -7 - 15 - 9 x = - 22 x = 22 / 9 x = 2.44
5x+15=14x-7 5x-14x=-15-7 -9x=-22 x=-22:(-9) x=+2.44