DAJE NAJ ;] 2(3x+4)=3(4x-5) 3x-6=x+8 ½x+⅔=⅓x+¾ 6(2x+3)+2(3x-7)=4(3x-3) 4x-13=2x+15 12x-7>3x+8 5(2x-3)<2(3x+4) ¼(2x+3)≤⅗(x-7) 4x-8≥2x+10 17x+15<13x-19 BARDZO WAŻNE !! DAJE NAJ

1. 2(3x+4)=3(4x-5) 6x+8= 12x-15 6x-12x= -15-8 -6x= -23|:(-6) x=3,83 2. 3x-6=x+8 3x-x=8+6 2x=14|:2 x=7 3.1/2x+2/3= 1/3x+3/4 |* 12 6x+ 8= 4x+9 6x-4x=9-8 2x=1|:2 x=1/2 4. 6(2x+3)+2(3x-7)=4(3x-3) 12x+18+6x-14= 12x-12 12x+6x-12x= -12 -18+14 6x= -16|:6 x= -2,7 5. 4x-13=2x+15 4x-2x=15+13 2x=28|:2 x=14 6. 12x-7>3x+8 12x-3x>8+7 9x> 15|:9 x> 1,7 7. 5(2x-3)<2(3x+4) 10x -15 < 6x +8 10x-6x<8+15 4x< 23|:4 x< 5,75 8. ¼(2x+3)≤⅗(x-7) ⅗????? 9. 4x-8≥2x+10 4x -2x ≥ 10 +8 2x≥ 18|:2 x ≥ 9 10. 17x+15<13x-19 17x-13x< -19 -15 4x< -34 |:4 x= -8,5 liczę na najj