rozwiąż równanie 2=1+x, 15=21-x ,-16=3-z, 25=20+t.
4y=1,-8y=96,0.75x=45.
4y-1=7,5x+2=(-3)
(1) 2=1+x, x=2-1, x=1
(2) 15=21-x, x=21-15, x=16
(3)-16=3-z, -z=3+16, z=-19
(4) 25=20+t, t=20-25, t=-5
(5)4y=1|:4 y=0,25
(6)8y=96|:8 y=12
(7)niewiem
(8)4y-1=7, 4y=7+1, y=2
(9)5x+2=(-3), 5x=-3-2, 5x=-5, x=-1
mam nadzieje że pomogłem
1. 2=1+X
x=2-1
x=1 2. 15=21-x
-x=15-21
-x= - 6 / :(-1)
x=6 3. -16=3-z
- z=-16-3
- z=-19 / (-1)
z=19 4. 25=20+t
t=25-20
t=5 5. 4y=1/ :4
y=0.25 6. 8y=96/ : 8
y=12 7. 0.75x=45 / 0.75
x=60 8. 4y-1=7
4y=7+1
4y=8 / :4
y=2 9. 5x+2=-3
5x= - 5 / : 5
x= - 1
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(1) 2=1+x, x=2-1, x=1
(2) 15=21-x, x=21-15, x=16
(3)-16=3-z, -z=3+16, z=-19
(4) 25=20+t, t=20-25, t=-5
(5)4y=1|:4 y=0,25
(6)8y=96|:8 y=12
(7)niewiem
(8)4y-1=7, 4y=7+1, y=2
(9)5x+2=(-3), 5x=-3-2, 5x=-5, x=-1
mam nadzieje że pomogłem
1. 2=1+X
x=2-1
x=1
2. 15=21-x
-x=15-21
-x= - 6 / :(-1)
x=6
3. -16=3-z
- z=-16-3
- z=-19 / (-1)
z=19
4. 25=20+t
t=25-20
t=5
5. 4y=1/ :4
y=0.25
6. 8y=96/ : 8
y=12
7. 0.75x=45 / 0.75
x=60
8. 4y-1=7
4y=7+1
4y=8 / :4
y=2
9. 5x+2=-3
5x= - 5 / : 5
x= - 1