Asked by sonya
(2a+4b)-(3a-b)when and how do u know to change the signs?
It might help to think of it as below.
(2a+4b)-1(3a-b)
Mutliply the last term by the -1.
2a+4b-3a+b = -a+5b or 5b-a
I hope this helps. Thanks for asking.
It might help to think of it as below.
(2a+4b)-1(3a-b)
Mutliply the last term by the -1.
2a+4b-3a+b = -a+5b or 5b-a
I hope this helps. Thanks for asking.
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