<u>Answer:</u>
Answer:13 Is your answer.
Step-by-step explanation:
Answer:
10k-4=2k-20
+4 +4
10k=2k-16
-2k -2k
8k=-16
k=-2
Check:
10(-2)-4=2(-2)-20
-20-4=-4-20
-24=-24
a
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50 species every day
.................. is answer