Đáp án:
Giải thích các bước giải:
1/
a, 3x-2=2x-3 b, 3-4y+24+6y=y+27+3y c, 7-2x=22-3x
->3x-2x-2+3=0 ->-4y+6y-y-3y+3+24-27=0 ->-2x+3x+7-22=0
->x+1=0 ->-2y=0 ->x-15=0
d, 8x-3=5x+12 e, x-12+4x=25+2x-1 f, x+2x+3x-19=3x+5
->8x-5x-3-12=0 ->x-12+4x-25-2x+1=0 ->x+2x+3x-19-3x-5=0
->3x-15=0 ->3x-36=0 ->2x-24=0
g, 11+8x-3=5x-3+x h, 4-2x+15=9x+4-2x
->11+8x-3-5x+3-x=0 ->4-2x+15-9x-4+2x=0
->5x=8=0 ->-9x+15=0
4/
a, 5x-2/3=5-3x/2 b, 10x+3/12=1 + 6+8x/9
->10x-4/6=15-9x/6 ->30x+9/36=36/36 +24+32x/36
->10x-4-15+9x=0 ->30x+9=36+24+32x
->19x-19=0 ->30x+9-36-24-32x=0
->-2x-51=0
