Proszę o rozwiązanie równań:
4y=48
7w=w2+5
10z+5=5z+20
24u+7=20u+23
9x+1=6x+2
15k+6=11k+8
y =12
w-1
z=3
u=4
3x=1 czyli x= 0,333
k= 0,5
1. 4y=48 /:4
y = 12
2. 7w=w2+5 / -2w
5w = 5 / :5
w = 1
3. 10z+5=5z+20 / -5
10z = 5z + 15 / - 5z
5z = 15 / :5
z = 3
4. 24u+7=20u+23 /- 20u
4u + 7 = 23 /-74u = 16 / :4
u = 4
5. 9x+1=6x+2 / -6x
3x + 1 = 2 / -1
3x = 1 / :3
x = 1/3
6. 15k+6=11k+8 / -11k
4k + 6 = 8 /-6
4k = 2 / :4
k = 1/2
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y =12
w-1
z=3
u=4
3x=1 czyli x= 0,333
k= 0,5
1. 4y=48 /:4
y = 12
2. 7w=w2+5 / -2w
5w = 5 / :5
w = 1
3. 10z+5=5z+20 / -5
10z = 5z + 15 / - 5z
5z = 15 / :5
z = 3
4. 24u+7=20u+23 /- 20u
4u + 7 = 23 /-7
4u = 16 / :4
u = 4
5. 9x+1=6x+2 / -6x
3x + 1 = 2 / -1
3x = 1 / :3
x = 1/3
6. 15k+6=11k+8 / -11k
4k + 6 = 8 /-6
4k = 2 / :4
k = 1/2