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tatuchka [14]
4 years ago
5

which expression is equivalent to the given expression? 3 (2a+5)....a) 11a. b)6a+15. c) 6a+5. or d) 21a

Mathematics
2 answers:
Archy [21]4 years ago
8 0

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 .

Afina-wow [57]4 years ago
4 0
3(2a+5)
6a+15 divide both sides by 6
a=2.5
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