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Sagot :
Answer:
A. 5a+10
Step-by-step explanation:
a + 20 + 4a - 10
= a + 4a + 20 - 10
= 5a + 10
Answer:
5a + 10
Step-by-step explanation:
a + 20 + 4a -10 = a + 4a + 20 - 10
Combine like terms
= 5a + 10
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