Question

$x + 3 \\ x + 6 \\ addition \: of \: algebraic \: expressions$
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Answer 1

$\large{\fbox{\underline {\red {Answer:}}}}$

$\implies (x + 3) + (x + 6) \\ \implies x + 3 + x + 6 \\ \implies 2x + 9$

Answer 2

Answer:

(x + 3 ) + ( x + 6)

= x + x + 3 + 6

= 2x + 9