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Question
What will you get if you subtract −7a−2y from −8a+4y?
What will you get if you subtract −7a−2y from −8a+4y?
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Solution
The correct option is C −a+6y
Subtracting −7a−2y from −8a+4y, we get:
(−8a+4y)−(−7a−2y)
=(−8a+4y)+(−1)(−7a−2y)
=−8a+4y+7a+2y [Distributive property]
=−8a+7a+4y+2y [Commutative property]
=(−8a+7a)+(4y+2y)[Associative property]
=−a+6y
Subtracting −7a−2y from −8a+4y,we get −a+6y.
Subtracting −7a−2y from −8a+4y, we get:
(−8a+4y)−(−7a−2y)
=(−8a+4y)+(−1)(−7a−2y)
=−8a+4y+7a+2y [Distributive property]
=−8a+7a+4y+2y [Commutative property]
=(−8a+7a)+(4y+2y)[Associative property]
=−a+6y
Subtracting −7a−2y from −8a+4y,we get −a+6y.
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