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Archy [21]
3 years ago
9

Explain how you got the answer please

Mathematics
2 answers:
Juliette [100K]3 years ago
7 0
-2x + 12 = 2y
2x + 2y = 12
divide the equation by 2
x + y = 6

answer
D. 6
kykrilka [37]3 years ago
4 0
-2x + 12 = 2y

Add 2x on both sides,

12 = 2y + 2x

Divide by 2 on both sides,

6 = y + x -> x + y = 6

The answer is D.
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