Student A is wrong and Student B is correct.
How?
Answer:
X+2y=-23x+4y=6
=(x,y)= (6/25, 72/25)
50
Step-by-step explanation:
-2.5 × -20
negative multiply negative equals positive
(-) × (-) = (+)
so, the answer would be positive.
= <u>5</u><u>0</u>
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