1. 4x+12= x-3 do tego sprawdz. 2. 3x-8=x+1 3. x-2/3= 2 do tego sprawdz.
1.
4x+12= x-3
4x - x = -3 - 12
3x = -15
x = -15 : 3
x = -5
spr.
L = 4x + 12 = 4 * (-5) + 12 = -20 + 12 = -8
P = x - 3 = -5 - 3 = -8
L = P
2.
3x-8=x+1
3x - x = 1 + 8
2x = 9
x = 9 : 2
x = 4,5
L = 3x - 8 = 3 * 4,5 - 8 = 13,5 - 8 = 5,5
P = x + 1 = 4,5 + 1 = 5,5
3.
x-2/3= 2
x = 2 + 2/3
x = 2 i 2/3
L = x - 2/3 = 2 i 2/3 - 2/3 = 2
P = 2
1. 4x+12= x-3
3x = -15 /:3
Spr.
L = 4(-5) + 12 = -8
P = -5 - 3 = -8
2. 3x-8=x+1
2x = 9 /:2
L = 3*4,5 - 8 = 5,5
P = 4,5 + 1 = 5,5
3. x-2/3= 2 /*3
3x - 2 = 6
3x = 8 /:3
x = 8/3
L = 8/3 - 2/3 = 6/3 = 2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1.
4x+12= x-3
4x - x = -3 - 12
3x = -15
x = -15 : 3
x = -5
spr.
L = 4x + 12 = 4 * (-5) + 12 = -20 + 12 = -8
P = x - 3 = -5 - 3 = -8
L = P
2.
3x-8=x+1
3x - x = 1 + 8
2x = 9
x = 9 : 2
x = 4,5
spr.
L = 3x - 8 = 3 * 4,5 - 8 = 13,5 - 8 = 5,5
P = x + 1 = 4,5 + 1 = 5,5
L = P
3.
x-2/3= 2
x = 2 + 2/3
x = 2 i 2/3
spr.
L = x - 2/3 = 2 i 2/3 - 2/3 = 2
P = 2
L = P
1. 4x+12= x-3
4x - x = -3 - 12
3x = -15 /:3
x = -5
Spr.
L = 4(-5) + 12 = -8
P = -5 - 3 = -8
2. 3x-8=x+1
3x - x = 1 + 8
2x = 9 /:2
x = 4,5
Spr.
L = 3*4,5 - 8 = 5,5
P = 4,5 + 1 = 5,5
3. x-2/3= 2 /*3
3x - 2 = 6
3x = 8 /:3
x = 8/3
Spr.
L = 8/3 - 2/3 = 6/3 = 2
P = 2