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Is (9,9) a solution of the following linear system of equations?: 17x - 9y=72 X - 9y = -72

Is (9,9) a solution of the following linear system of equations?: 17x - 9y=72 X - 9y = -72
asked 111k views
2 votes
Is (9,9) a solution of the following linear

system of equations?:
17x - 9y=72
X - 9y = -72

asked
User Meaningqo
by
7.2k points

1 Answer

4 votes
Yes

(x,y)
(9,9)

17(9) - 9(9) = 72
153 - 81 = 72

(9) - 9(9) = -72
9 - 81 = -72
answered
User Khernik
by
8.3k points
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