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3 years ago

Which expression has a value that is equivalent to 5n + 13 when n=-5? A. n+ 8 B.4n+8 C.2n+2 D.nx2+ 13

Mathematics

1 answer:

Naily [24]3 years ago

5 0

It equils -12
so the answer would be b

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$4z + 2 = 10z - 1$

Add sides 1

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Divide sides by 6

$\frac{6z}{6} = \frac{3}{6} \\$

$z = \frac{1}{2} \\$

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$3y = y + 3$

Subtract sides y

$- y + 3y = - y + y + 3$

$2y = 3$

Divide sides by 2

$\frac{2y}{2} = \frac{3}{2} \\$

$y = \frac{3}{2} \\$

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Thus the correct answer is :

$a) \: y = \frac{3}{2} \: , \: z = \frac{1}{2} \\$

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3 years ago