Równania:
a) -s+15 = 4s-14
b) 8k-19 = -8k+19
a) -s -4s = -14 -15
-5s = -29 / :(-5)
s = 5,8
b) 8k + 8k = 19 + 18
16k = 38 /:16
k = 2,4
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a) -s -4s = -14 -15
-5s = -29 / :(-5)
s = 5,8
b) 8k + 8k = 19 + 18
16k = 38 /:16
k = 2,4