" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-3x=3
x=-1
b) 8x+1/2=4-x
9x=3 i 1/2
9x= 7/2
18x=7
x= 7/18
c) 1/2x-4=2-x
1 i 1/2x=6
3/2x=6
3x=12
x=4
a) 2(3x+4)=8
6x+8=8
6x=0
x=0
spr. 2(3*0+4)=8
2(0+4)=8
2*4=8
8=8
L=P
b) 3(2-5x)=9
6-15x=9
-15x=3
x=-3/15
x=-1/5
spr. 3(2-5*(-1/5))=9
3(2+1)=9
3*3=9
9=9
L=P
-2x-x=4-1
-3x=3
x=-1
b) 8x+1/2=4-x
8x+x=4-1/2
9x=3 1/2
x=7/2 * 1/9
x=7/18
c) 1/2x-4=2-x
0,5x+x=2+4
1,5x=6
x=6:1,5
x=60/15
x=4
rozwiąz równanie i sprawdz uzyskanie rozwiązania:
a) 2(3x+4)=8
3x+4=4
3x=4-4
3x=0
x=0
L=2(3*0+4)=2*4=8
P=8
L=P
b) 3(2-5x)=9
2-5x=3
-5x=3-2
-5x=1
x=-1/5
L=3(2-5*(-1/5))=3*(2+1)=3*3=9
P=9
L=P