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Which expression is equivalent to a+20+4a−10?

A. 5a+10
B. 5a+30
C. 15a
D. 35a

User Vinh
by
4.9k points

2 Answers

5 votes

Answer:

A. 5a+10

Explanation:

a + 20 + 4a - 10

= a + 4a + 20 - 10

= 5a + 10

User Urs Marian
by
5.4k points
7 votes

Answer:

5a + 10

Explanation:

a + 20 + 4a -10 = a + 4a + 20 - 10

Combine like terms

= 5a + 10

User Renshaw
by
5.5k points