y=9x+3+y=18x

the question is solve by addition

y=9x+3

y=18x
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1 Answer

y=9x+3

y=18x

Therefore 9x+3=18x, 3=18x-9x, 3=9x, 1=3x, so 3x=1, x=⅓. And y=18x=18/3=6.

SOLUTION: x=⅓, y=6.
by Top Rated User (1.1m points)

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