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ss7ja
[257]
3 years ago
12
What is the first step in solving, 3x - 12y=5 3y -x=9, using the elimination method
Mathematics
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1
answer:
mote1985
[20]
3 years ago
3
0
3x-12y = 5
-x+3y = 9
First step is to make the coefficient of either x or y same.
3x-12y = 5
(-x+3y = 9)3
3x-12y = 5
-3x+9y = 27
-4y = 32
y = -8
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