1) 2(Х+7)+4Х = 2Х + 27 + 4Х = 2Х + 14 + 4Х = 6Х + 12) 9(3-y) + 15 = 93 - 9y + 15 = 27 - 9y + 15 = -9y + 43) 11(x+6) +34 = 11x + 116 + 34 = 11x + 66 + 34 = 11x + 100
1) 2(Х+7)+4Х = 2Х + 27 + 4Х = 2Х + 14 + 4Х = 6Х + 1
2) 9(3-y) + 15 = 93 - 9y + 15 = 27 - 9y + 15 = -9y + 4
3) 11(x+6) +34 = 11x + 116 + 34 = 11x + 66 + 34 = 11x + 100