Question

Simplify these expressions
a) 2a + 5a

Answer 1

Answer:

$\mathsf {7a}$

Step-by-step explanation:

$\textsf {Here, both terms contain the variable 'a'.}\\\textsf {Hence, they can be added together once the variable}\\\textsf {is taken as a common factor.}$

$\implies \mathsf {2a + 5a}$

$\implies \mathsf {a(2 + 5)}$

$\implies \mathsf {7a}$

Answer 2

Answer:

7a

Step-by-step explanation:

To solve this you have combine like terms.

That is, you have to simply add those numbers together.

Let us solve now

2a + 5a

= 7a