4(x-3)+5=35-(x-3) 3(2x-3)-2(4x-1)=4(3x+2)-1 x-2[1-3(2x-3)]=-7
问题描述:
4(x-3)+5=35-(x-3) 3(2x-3)-2(4x-1)=4(3x+2)-1 x-2[1-3(2x-3)]=-7
答
4(x-3)+5=35-(x-3)
4x-7=38-x
3x=45
x=15
3(2x-3)-2(4x-1)=4(3x+2)-1
6x-9-8x+2=12x+7
14x=-14
x=-1
x-2[1-3(2x-3)]=-7
x-2+12x-18=-7
13x=13
x=1