Rozwiąż równania: 3x-8=2x+6 7x-2-x=18 10x-6+2x=3x 18x-12-6=5x+25
3x-8=2x+6
x = 14
7x-2-x=18
6x = 20
x = 20/6 = 10/3
10x-6+2x=3x
9x = 6
x = ⅔
18x-12-6=5x+25
13x = 43
x = 43/13
1.3x-8=2x+6 / +8
3x=2x+14 / -2x
x= 14
2. 7x-2-x=18 / +2
7x-x=20
6x=20/ :6
x=3 2/6
3.10x-6+2x=3x / +6
10x+2x=3x+6
12x=3x+6/-3x
9x=6/ : 9
x= 6/9
x=2/3
4. 18x-12-6=5x+25 / +12
18x-6=5x+37/ +6
18x=5x+43/-5x
13x=43/ : 13
x= 14/13
x= 3 4/13
Myślę, że pomogłam :)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x-8=2x+6
x = 14
7x-2-x=18
6x = 20
x = 20/6 = 10/3
10x-6+2x=3x
9x = 6
x = ⅔
18x-12-6=5x+25
13x = 43
x = 43/13
1.3x-8=2x+6 / +8
3x=2x+14 / -2x
x= 14
2. 7x-2-x=18 / +2
7x-x=20
6x=20/ :6
x=3 2/6
3.10x-6+2x=3x / +6
10x+2x=3x+6
12x=3x+6/-3x
9x=6/ : 9
x= 6/9
x=2/3
4. 18x-12-6=5x+25 / +12
18x-6=5x+37/ +6
18x=5x+43/-5x
13x=43/ : 13
x= 14/13
x= 3 4/13
Myślę, że pomogłam :)