12k+5=k+49 what's the answer
1 answer:
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No, some of the terms changed signs, the correct option is C.
Given
Maggie used the commutative property to write;
The commutative property of addition states that the sum of any two numbers remains the same even when the position of the numbers is interchanged.
Then,
She did not apply the commutative property correctly because she changed the signs of 4/5 and 8 and in consequence, the result will not be the same.
A, B and C, for a commutative property
(A+B)+C = C+(A+B)
4/5 + 6.9y - 8 as the equivalent expression of:
6.9y + 8 - 4/5
Hence, No, some of the terms changed signs.
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