A = { x | 4x + 7 = 15 } Which of the following sets is equal to set A?
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A = { x | 4x + 7 = 15}
= 4x + 7 = 15
= 4x = 15 -7
= 4x = 8
= x = 8/4 = 2
So, A = {2}
hope it helps ☺️
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