Составить уравнение по рисунку2.19
1) 75 - x = 46 x = 75 - 46 x = 29 2) 96 - (54 + 32) = x x = 96 - 86 x = 10 3) x + x + x -25 = 78 +104 x + x + x = 207 x = 207 : 3 x = 69 4) x + 3 * x + 3 * x + 29 = 155 x + 6 * x = 126 7 * x = 126 x = 126 : 7 x = 18