Answer:
D.
Step-by-step explanation:
That is the only answer provided.
Answer: a = -3
Step-by-step explanation: First we distribute the -2 to a and -3 to get -2a+6=12, then subtract 6 on both sides, -2a=6, finally divide by -2 on each side to get a = -3.
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An "equation" has a left side, a right side and an equals sign separating the sides. An "expression," by contrast, doesn't have any "sides" and is simply what the name suggests: An algebraic "expression<span>."</span>
That's easy man just take x from both coordinates and add them. Then take y from each coordinate and add them. You come out with D, (-6, -4).
