Question

Add: 3x+4 and 4x+9 *

Answer 1

Step-by-step explanation:

3x+4+4x+9

Bringing like terms together,

3x+4x+4+9

= 7x+13

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Answer 2

ANSWER :

It is said to add $3x + 4$ by $4x + 9$,

Follow the steps...

$\Rightarrow$ (3x + 4) + (4x + 9)

$\Rightarrow$ (3x + 4x) + (4 + 9)

$\Rightarrow$ 7x + 13

Thus, the addition of $3x + 4$ by $4x + 9$ gives 7x + 13.