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(12y + 12) - 21y Simplify each expression using the properties of numbers.
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1 vote
(12y + 12) - 21y

Simplify each expression using the properties of numbers.

User Eladv
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2 Answers

3 votes
Use the commutative property..

(12y - 21y) + 12 =
-9y + 12 =
-9y = -12
y = 12/9 = 4/3 = 1 1/3
User Szydzik
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8.0k points
3 votes
Its 12y - 9 because when u add twelve pluus 12 it 24 then -21 is to 3 which 12 - 9 is 3
User Mahakala
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7.6k points
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