Answer:
Step-by-step explanation:
cross multiply,
-6s(-7)=-2s+7(-1)
42s=2s-7
42s-2s=-7
40s=-7
s=-
-7/40
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Answers & Comments
Answer:
Step-by-step explanation:
cross multiply,
-6s(-7)=-2s+7(-1)
42s=2s-7
42s-2s=-7
40s=-7
s=-
Answer:
-7/40
Step-by-step explanation: