rozwiąż równania i sprawdź swoje rozwiązania
1. 25m-3-3=24m-4 spr L= P=
2. -s+15=4s-14 spr L= P=
3. 17y+28=19y=27 spr L= P=
4. 8k-19=-8k+19 spr L= P=
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1. 25m-6=24m-4
25m-24m=-4+6
m=2
L=25*2-3-3 P=24*2-4
L=50-6 P=48-4
L=44p=44
2.-5s=-29 / : (-5)
s=5.8
L= -5.8+15 P=4*5.8-14
L=9.2P=9.2
3. 17y-19=27-28
-2y=-1
y=0.5
L=17*0.5-19 P=27-28
1)25m-3-3=24m-4
25m-24m=-4+3+3
m=2
spr.25*2-3-3=24*2-4
50-6=48-4
44=44
L=P
2)-s+15=4s-14
-s-4s=-14-15
-5s=-29|:(-5)
s=29/5
spr.-29/5+15=4*29/5-14
-5 4/5+15=116/5-14
9 1/5=23 1/5-14
9 1/5=9 1/5
L=P
3)17y+28=19y-27
17y-19y=-27-28
-2y=-55|:(-2)
y=55/2
y=27,5
17*27,5+28=19*27,5-27
495,5=495,5
L=P
4)8k-19=-8k+19
8k+8k=19+19
16k=38|:16
k=38/16
k=2,375
8*2,375-19=-8*2,375+19
19-19=-19+19
0=0
L=P
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