Question

The sum of 7x - 8y and 5x + 3y is​

Answer 1

$12x - 5y$

Reason:

7x - 8y+ 5x + 3y

12x - 8y + 3y

12x - 5y

Answer 2

Given:

7x - 8y and 5x + 3y

To find:

The sum of 7x - 8y and 5x + 3y

Solution:

$(7x - 8y) + (5x + 3y)$

Like Terms:

$7x \: and \: 5x$

$-8y \: and \: 3y$

Add the Like Terms:

$(7x - 8y) + (5x + 3y)$

$7x + 5x = 12x$

$- 8y + 3y = - 5y$

Hence, the required answer is:

$12x - 5y$