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3 years ago

What is the solution of 3x + 5 = 2x - 7?

Mathematics

2 answers:

KiRa [710]3 years ago

7 0

Answer:

$x=-12$

Step-by-step explanation:

$3x+5=2x-7$

Subtract 2x from each side,

$x+5=-7$

Subtract 5 from each side to find x,

$x=-12$

alekssr [168]3 years ago

4 0

The solution is for that is -12

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2 years ago

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2 years ago

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3 years ago

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3 years ago

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Answer: The correct option is (C) A = {1, 2, 3, 4, 5, 7, 8}.

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Since 'A' is the complement of 'B', so the set 'A' will contain those element of the sample space 'S' that are not in the set 'B'.

Therefore,

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⇒ A = {1, 2, 3, 4, 5, 7, 8}.

Thus, (C) is the correct option.

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3 years ago

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