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posted by 1234 on Wednesday, March 6, 2013 at 10:51pm.
Find the missing coordinate to complate the ordered-pair solution to the given linear equation. 9y+7x=-63 (a) (-9,0) (b) (? ,7)
b) let y = 7 63 + 7x = -63 7x = -126 x = -18
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