" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2)3(1-x)+2=-7
3)4(3x+2)+5(2X+3)=-(2X+13)
4)4(x-2)-2(x-4)=5(x+1)-3x
5)2(x-4)=2(2x-1)+6(x+1)
ad1
3x-3+2-8=0 > 3x-9=0 > 3x=9 x=3
ad2
3-3x+2+7=0 > -3x+12=0 > -3x=-12/ (-1) > 3x=12 > x=4
ad3
12x+8+10x+15=-2x-13 > 22x+23+2x+13=0 24x+36=0 > 24x=-36 > x=-36/24 > x=-11/9
ad4
4x-8-2x+8=5x+5-3x > 2x-5x+3x=5 >0=5 rownanie sprzeczne
5)2(x-4)=2(2x-1)+6(x+1)
ad5
2x-8=4x-2+6x+6 > 2x-10x-8-4=0 > -8x=12 > x=-12/8 > x=-3/2
np:
3/2 trzy drugie (ułamek)
czyli:
3
-
2