przedstaw na grafie i rozwiąż równania
2x-30=12
3x+1=22
4x-20=40
x=16-x
POMOCY!!!!!!!!!!!!!!!!!!
2x= 12+30
2x= 42/2
x=21
3x=22-1
3x=21/3
x=7
4x=40+20
4x=60/4
x=15
x+x=16
2x=16/2
x=8
• 2x-30=12
2x = 12 + 30
2x = 42 | :2
x = 21
• 3x + 1 = 22
3x = 22 - 1
3x = 21 | :3
x = 7
• 4x - 20 = 40
4x = 40 + 20
4x = 60 | : 4
x = 15
• x = 16 - x
x + x = 16
2x = 16 | : 2
x = 8
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x= 12+30
2x= 42/2
x=21
3x=22-1
3x=21/3
x=7
4x=40+20
4x=60/4
x=15
x+x=16
2x=16/2
x=8
• 2x-30=12
2x = 12 + 30
2x = 42 | :2
x = 21
• 3x + 1 = 22
3x = 22 - 1
3x = 21 | :3
x = 7
• 4x - 20 = 40
4x = 40 + 20
4x = 60 | : 4
x = 15
• x = 16 - x
x + x = 16
2x = 16 | : 2
x = 8