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-s-4s=-14-15
-5s=-29/:(-5)
s=5,8
g)17y+28 = 19y+27
17y-19y=27-28
-2y=-1/:(-2)
y=1/2
h)8k-19=-8k+19
8k+8k=19+19
16k=38/:16
k=2,37
-s-4s=-14-15
-5s=-29/:(-5)
s=5⅘
g)17y+28 = 19y+27
17y-19y=27-28
-2y=-1/:(-2)
y=½
h)8k-19=-8k+19
8k+8k=19+19
16k=38/:16
k=2³/₈