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I need help on 1,2,3

I need help on 1,2,3-example-1

1 Answer

6 votes

Answer:

1. 10x + 14

2. 2x + 11y - 7

3. -10x - 11

Explanation:

1.


4x+5+7x-3+x+12=\\10x+14

2.


(7x+9y-1)-(5x-2y+6)=\\7x+9y-1-5x+2y-6=\\2x+11y-7

3.


-2(2x+5)-6x-1=\\-4x-10-6x-1=\\-10x-11

User Sylvaus
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