rozwiaz rownania:
2k-1=9
4x-3=2x+5
y-3=9
3x-2=4
6w-4=4w
7=2y-1
2t+5=5t-1
8x+5=7x
-x+7=5x+1
25m-3=24m-4
17y+28=19y+27
7n+2=6n-3
-9z-7=-z-6
-s+15=4s-14
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2k - 1 = 9
2k = 9 - 1
2k = 8 / :2
k = 4
4x - 3 = 2x + 5
4x - 2x = 5 + 3
2x = 8 /:2
x = 4
y - 3 = 9
y = 9 + 3
y = 12
3x - 2 = 4
3x = 4 + 2
3x = 6 /:3
x = 2
6w - 4 = 4w
6w - 4w = -4
2w = -4 / :2
w = -2
7=2y-1
-2y = -1 -7
-2y = -8 / :(-2)
y = 4
2t+5=5t-1
2t - 5t = -1 -5
-3t = -6 / :(-3)
t = 2
8x+5=7x
8x - 7x = 5
x = 5
-x+7=5x+1
-x - 5x = 1 - 7
-6x = -6 / :(-6)
x = 1
25m-3=24m-4
25m - 24m = -4 +3
m = -1
17y+28=19y+27
17y - 19y = 27 - 28
-2y = -1 / :(-2)
y = 1
7n+2=6n-3
7n - 6n = -3 -2
n = -5
-9z-7=-z-6
-9z + z = -6+7
-8z = -1 /:(-8)
z = 1
-s+15=4s-14
-s - 4s = -14 -15
-5s = -29 /: (-5)
s= 5,8
2k-1=9
1+9=2k
k=10:2
k=5
4x-3=2x+5
4x+2x=5-3
6x=2
x=6:2
x=3
y-3=9
y=9+3
y=12
3x-2=4
3x=2+4
3x=6
x=6:3
x=2
6w-4=4w
10w=4
w=10:4
w=0,25
7=2y-1
2y=7+1
2y=8
y=8:2
y=4
2t+5=5t-1
4t=4
t=4:4
t=0
8x+5=7x
15x=5
x=15:5
x=3
-x+7=5x+1
4x=8
x=8:4
x=2
25m-3=24m-4
1m=1
m=1:1
m=0
17y+28=19y+27
2y=1
y=2:1
y=2
-9z-7=-z-6
10z=1
z=10:1
z=10
-s+15=4s-14
5s=1
s=5:1
s=5
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