Question
Find the missing coordinate to complate the ordered-pair solution to the given linear equation.
9y+7x=-63
(a) (-9,0)
(b) (? ,7)
9y+7x=-63
(a) (-9,0)
(b) (? ,7)
Answers
Reiny
b) let y = 7
63 + 7x = -63
7x = -126
x = -18
63 + 7x = -63
7x = -126
x = -18