" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2(2-5x)=-24
4-10x=-24
-10x=-20//:(-10)
x=2
b)3(x-3)+2x-1=x-8
3x-9+2x-1=x-8
4x=2//:4
x=0,5
c)0,7x+x+2/10=1//*10
7x+10x+2=10
17x=8//:17
x=8/17
2(2-5x)=-24
4-10x=-24
-10x=-28/(-10)
x=28/10
x=2,8
spr.
2/3*(2-5*2.8)=-8
2/3*(2-14)=-8
2/3*(-12)=-8
-8=-8
L=P
b)3(x-3)+2x-1=x-8
3x-9+2x-1-x=-8
4x=-8+9+1
4x=2/:4
x=2/4
c)0.7x+x+0.2=1/*10
7x+10x+2=10
17x=10-2
17x=8/17
x=8/17