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Help pls dont answer if you do not know also ill give out brainliest

Help Pls Dont Answer If You Do Not Know Also Ill Give Out Brainliest class=

Sagot :

Answer:

3x+ -1

Step-by-step explanation:

-x-2x= -x+ -2x

-x+ -2x= -3x

1-2= -1

Hope this helps

Answer:

-3x-3

Step-by-step explanation: