Question

3x+7y;9x-11y add 7th std​

Answer 1

Answer:

12x-4y

Step-by-step explanation:

(3x+7y)+(9x-11y)

3x+9x+7y-11y

12x-4y

Answer 2

(3x + 7y) + (9x - 11y)

Opening the brackets

3x + 7y + 9x - 11y

3x + 9x + 7y - 11y

Add cofficients of x and y

11x - 4y

HOPE IT HELPS...