" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x-7x=3+1
-2x+4/:(-2)
x=-2
2. 10+4(1-x)=2x-6
10= 4-4x=2x-6
14-4x=2x-6
-4x-2x=-14-6
-6x=-20/:(-6)
x=3 1/3
3. -3x+1=-2(x-3)-3
-3x+1=-2x+6-3
-3x+2x=-1+6-3
-x+2/:(-1)
x=-2
4. x-2/4=2/*4
x-2=8
x=2+8
x=10
5. -2x+1/2=-3x+2 i 1/2
-2x+3x=-1/2+2 i 1/2
x=2
6. 1/5x-2=1/2x-5
1/5x-1/2x=2-5/*10
2x-5x=20-50
-3x=-30/:(-3)
x=10
Równania równoważne to 1 i 3, 4 i 6.