Answer:
S=-7
Step-by-step explanation:
-s - 7 = -1 • (s + 7)
2.1 Solve : -s-7 = 0
Add 7 to both sides of the equation :
-s = 7
Multiply both sides of the equation by (-1) : s = -7
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3
Because 30 divided by 5 =6 which is the miles so divide 15 by 5 and the minutes are 6 so 6x5 so 3
