Answers

2015-08-13T02:25:30+08:00
-2x+y=7
y=2x+7
the slope is 2over 1 because the denominator is 1 if the denominator is blank -2 going to right if the number change the sign is also change but if the number stay the sign is not change if the positive is Also positive of negative is also negative

why the -2 change +2
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