Math, asked by aliradhin, 3 months ago

Add
$3 \times + 7 \: and \: \times - 4y + 9$

Answers

Answered by karmaan958

0

Step-by-step explanation:

add : 3x + 7 and x - 4y + 9

= (3x + 7) + (x - 4y + 9)

= 3x + 7 + x - 4y + 9

= (3x + x) + (7 + 9) - 4y

= 4x + 16 - 4y

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