Question

2x+5y+7-(2x+5y-7)
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Answer 1

14

Explanation:

Distribute :

2x+5y+7-1(2x+5y-7)

2x+5y+7-2x-5y+7

Add the numbers:

2x+5y+7- 2x- 5y+7

2x+5y+14-2x-5y

Combine Like Terms:

2x+5y+14-2x-5y

5y+14-5y

Combine Like Terms:

5y+14-5y

14

Solution:

14