Pomocy! nie mogę rozwiązać tych równań:
a) -9z-7=-z-6
b) 25m-3=24m-4
c) -s+15=4s-14
d) 17y+28=19y+27
e) 8k-19=-8k+19
-8z=1/:(-8)
x=-0,125
m=-1
-5s=-29/:(-5)
s=5,8
-2y=-1/:(-2)
y=0,5
16k=38/:16
k=2,375
licze na naj ;d
-9z+z=-6+7
-8z=1 /:(-8)
z=-1/8
25m-24m=-4+3
-s-4s=-14-15
-5s=-29 /:(-5)
s=29/5
17y-19y=27-28
-2y=-1 /:(-2)
y=1/2
8k+8k=19+19
16k=38 /:16
k=38/16=19/8
k=19/8
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a) -9z-7=-z-6
-8z=1/:(-8)
x=-0,125
b) 25m-3=24m-4
m=-1
c) -s+15=4s-14
-5s=-29/:(-5)
s=5,8
d) 17y+28=19y+27
-2y=-1/:(-2)
y=0,5
e) 8k-19=-8k+19
16k=38/:16
k=2,375
licze na naj ;d
a) -9z-7=-z-6
-9z+z=-6+7
-8z=1 /:(-8)
z=-1/8
b) 25m-3=24m-4
25m-24m=-4+3
m=-1
c) -s+15=4s-14
-s-4s=-14-15
-5s=-29 /:(-5)
s=29/5
d) 17y+28=19y+27
17y-19y=27-28
-2y=-1 /:(-2)
y=1/2
e) 8k-19=-8k+19
8k+8k=19+19
16k=38 /:16
k=38/16=19/8
k=19/8