Which is possible?

Algebra Level 2

A ) B = 3 B ( 4 B ) A)B=3B(4B)

B ) B = 5 B = 3 B − 3 B)B=5B=3B-3

Only A Neither Only B Both

Palla Tan by Palla Tan , 17, Malaysia

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1 solution

Palla Tan
May 7, 2018

Let B be 0,

0=(3)(0)(4)(0)=0

So, A is true.

For B=5B to work, B needs to be 0.

However, 0 is not equal to 3(0)-3, which is -3.

Thus, B is false.

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