solve simultaneous equation x+2y=-1;2x-3y=1
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Answer:
x=5/7,y=1/7
Step-by-step explanation:
x+2y=-1;2x-3y=1
=>x=1-2y
2(1-2y)-3y=1
=>2-7y=1
=>-7y=-1
y= -1/7
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