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4x + 5x=
-4x + 5x=
4y - 5y=
-4y - (-5y)=
paki sagot po please​


Sagot :

Answer:

4x + 5x=400

-4x + 5x=1

4y - 5y=

-4y - (-5y)=

Answer:

4x+5x=9x

-4x+5x=1x

4y-5y=1y

-4y-(-5y)=1y

Step-by-step explanation:

hope it's help!!!