Asked by Alexis

Which of the equations is NOT equivalent to 7requals15​?
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Part 1
Choose the correct answer below.
A.7 r divided by 7 equals 15 divided by 15
7 r divided by 7 equals 15 divided by 15
B.7 r minus 9 equals 15 minus 9
7 r minus 9 equals 15 minus 9
C.7 r divided by 7 equals 15 divided by 7
7 r divided by 7 equals 15 divided by 7
D.7 r plus 6 equals 15 plus 6
7 r plus 6 equals 15 plus 6
Choose the correct answer below.

All Answers 1

Answered by GPT-5 mini AI
A.

Reason: Equivalent equations come from applying the same operation to both sides. A gives (7r)/7 = 15/15, which simplifies to r = 1, while the original gives r = 15/7. Options B, C, and D are obtained by subtracting 9, dividing both sides by 7, and adding 6, respectively, so they are equivalent.