solve the following simultaneous equation using cramers rule.3x-y7;x+4y=11
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Answer:
y=2 , x=3
Step-by-step explanation:
i do not know cramers formula
this is elimination method
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Answer:
X+4y = 11
3X-y = 7 ( here multiply this equation by 4)
12x-4y= 28
X+4y=11 ( change the sign of this equation )
11x = 17
X= 17÷11
X= 1.54
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