Question

The sum of a and 3a is​

Answer 1

Answer:

Step-by-step explanation:

a+3a

since they are like terms u can add them

=4a  

therefore a+3a=4a

Answer 2

$\boxed{4a}$ ✅

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}$

$a + 3a \\ = 4a$

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