which expression is equivalent to the given expression? 3 (2a+5)....a) 11a. b)6a+15. c) 6a+5. or d) 21a
2 answers:
Answer:
The expression 3(2a+5) is equivalent to 6a + 15 .
Option (b) is correct .
Step-by-step explanation:
As given the expression in the question be as follows
= 3 (2a + 5)
First open the bracket of the above expression
= 3 × 2a + 3 × 5
Sloving the above
= 6a + 15
Therefore the expression 3(2a+5) is equivalent to 6a + 15 .
Option (b) is correct .
3(2a+5)
6a+15 divide both sides by 6
a=2.5
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