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Use any method to solve the system of equation: 6x + 27y = -9 20x + 90y = -30​
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1 vote
Use any method to solve the system of equation: 6x + 27y = -9
20x + 90y = -30​

User Dennis Gawrisch
by
8.3k points

1 Answer

3 votes
6x + 27y = -9
-6x -6x
27y = -6x - 9
———————
27
y= -2/9x - 3


20x + 90y = -30
-20x -20x
90y = -20x - 30
—————————
90
y = -2/9x - 3
User Rob Glassey
by
8.4k points
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