1) -3(-1) + 5(2(-1)-3) = 3 + 5(-5) = 3 - 25 = -22У = -1: -22
-3(3) + 5(2(3)-3) = -9 + 5(6-3) = -9 + 15 = 6У = 3: 6
2) 2(0+4) - 3(0) = 2(4) - 0 = 8X = 0: 8
2(9+4) - 3(9) = 2(13) - 27 = 26 - 27 = -1X = 9: -1
3) 5(-0.8-1) + 2(3-(-0.8)) = 5(-1.8) + 2(3+0.8) = 5(-1.8) + 2(3.8) = -9 + 7.6 = -1.4X = -0.8: -1.4
1) -3(-1) + 5(2(-1)-3) = 3 + 5(-5) = 3 - 25 = -22
У = -1: -22
-3(3) + 5(2(3)-3) = -9 + 5(6-3) = -9 + 15 = 6
У = 3: 6
2) 2(0+4) - 3(0) = 2(4) - 0 = 8
X = 0: 8
2(9+4) - 3(9) = 2(13) - 27 = 26 - 27 = -1
X = 9: -1
3) 5(-0.8-1) + 2(3-(-0.8)) = 5(-1.8) + 2(3+0.8) = 5(-1.8) + 2(3.8) = -9 + 7.6 = -1.4
X = -0.8: -1.4