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grandymaker [24]
4 years ago
13

Solve the equation 12 + 2n = 20 for n. A) -4 B) 0 C) 1 D) 4

Mathematics
2 answers:
OleMash [197]4 years ago
8 0
Hey there.

12 + 2n = 20
Subtract 12 from both sides of the equation. This isolates our variable.
2n = 8
Divide both sides by 2, the number that's being multiplied by our variable. This isolates and solves for our variable.
n = 4; Your answer is D.)

I hope this helps!
Leviafan [203]4 years ago
6 0
<span>12 + 2n = 20

2n = 20 - 12

2n = 8

n = 4

Answer D) 4</span>
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