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NEED ANSWER PLZ QUICK

NEED ANSWER PLZ QUICK-example-1
User KOTJMF
by
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2 Answers

5 votes

Hello,

2n - 4 = -12

2n = (-12) + 4 = (-8)

n = (-8) / 2 = (-4)

The correct answer is D.

Bye :)

User Motanelu
by
5.4k points
2 votes

2n-4=-12

Add 4 to both sides

2n=-8

Divide by 2 on both sides

n=-4

To do these types of questions do reverse PEMDAS. Do the opposite sign such as adding to undo subtraction.

User Poncha
by
5.3k points