This example illustrates why elimination works. Supply the missing reasons.
A) Addition property of equality; Substitution
B) Associative property of addition; Substitution
C) Addition property of equality; Commutative property of addition
D) Associative property of addition; Commutative property of addition

the answer is B i believe

Step-by-step explanation:

Hello, Your answer will be B) Associative property of addition; Substituion

Hope That Helps!

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.