rozwiąż wyrażenia algebraiczne 1. 8x-3=27 2.2x-x+3x+2 3.3(x-2)=9 4.2x+2=-6 5.4x-2+2x-4=4
rozwiąż wyrażenia algebraiczne
1. 8x-3=27
2.2x-x+3x+2
3.3(x-2)=9
4.2x+2=-6
5.4x-2+2x-4=4
1. 8x-3=27 8x=27+3 8x=30/:8 x=3,75 2 .2x-x+3x+2 3.3(x-2)=9 3x-6=9 3x=9+6 3x=15/:3 x=5 4. 2x+2=-6 2x=-6-2 2x=-8/:2 x=-4 5.4x-2+2x-4=4 4x+2x=4+2+4 6x=10/:6 x=1 4/6=1 2/3
1. 8x - 3 = 27 |+3 8x = 27 + 3 8x = 30 /:8 x = 30/8 = 3³/₄ 3. 3(x - 2) = 9 3x - 6 = 9 |+6 3x = 9 + 6 3x = 15 /:3 x = 5 4. 2x + 2 = -6 |-2 2x = -6 - 2 2x = -8 /:2 x = -4 5. 4x - 2 + 2x - 4 = 4 6x - 6 = 4 |+6 6x = 4 + 6 6x = 10 /:6 x = 10/6 = 1²/₃