Which will solve the equation 12 = n — ?
9

A Add 12 to both sides.
B Add 9 to both sides.
© Multiply both sides by 12.
D Multiply both sides by 9.

Step-by-step explanation:

12=12n

We move all terms to the left:

12-(12n)=0

We move all terms containing n to the left, all other terms to the right

-12n=-12

n=-12/-12

n=1

step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl

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step-by-step explanation:

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