Rozwiążcie te równania prosi . ; **** 1. 4x + 12= -8x - 9 2. -12x + x - 7= 3x -11 3. -6x + 2= -5x + 3 4. 16y - 15= 12y + 3 5. 2(2x + 3)= 3 (5x - 2) 6. 2(6y - 2)= 3 (2y - 3) 7. 5(x - 7)= 3 ( x - 2)-1 8. x-(x+2)=3+(x+1) ; D

1. 4x+12=-8x-9 4x+8x=-12-9 12x=-21 |:12 x=-1,75 2. -12x+x-7=3x-11 -12x+x-3x=7-11 -14x=4 |:(-14) x=-0,29 3. -6x+2=-5x+3 -6x+5x=-2+3 -x=1 |*(-1) x=-1 4. 16y-15=12y+3 16y-12y=15+3 4y=18 |:4 y=4,5 5. 2(2x+3)=3(5x-2) 4x+6=15x-6 4x-15x=-6-6 -11x=-12 |:(-11) x=1,(09)1 6. 2(6y-2)=3(2y-3) 12y-4=6y-9 12y-6y=4-9 6y=-5 |:6 y=-0,8(3) 7. 5(x-7)=3(x-2)-1 5x-35=3x-6-1 5x-3x=35-6-1 2x=28 |:2 x=14 8.x-(x+2)=3+(x+1) x-x-2=3+x+1 x-x-x=2+3+1 -x=6 |*(-1) x=-6

4x + 12= -8x - 9 21=-12X /-12 X=7/4 -12x + x - 7= 3x -11 -14X=-4 /-4 X=3 1/2 -6x + 2= -5x + 3 -x=1 x=-1 16y - 15= 12y + 3 4y=18 y=4 1/2 2(2x + 3)= 3 (5x - 2) 4x+6=15x-6 -11x=-12 x=12/11 2(6y - 2)= 3 (2y - 3) 12y-4=6y-9 6y=-5 y=-5/6 5(x - 7)= 3 ( x - 2)-1 5x-35=3x-6-1 2x=28 x=14 x-(x+2)=3+(x+1) x-x-2=3+x+1 -x=6 x=-6