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help me please!!!!!!!!!!!!!!!!

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Sagot :

Answer:

x=-4 and y=4

Step-by-step explanation:

(6x+9y)-(6x+7y)=12-4=8

--> 9y-7y=8

-->2y=8-->y=4

-->6x+7×4=4  -->x=-4
Y=4 and X=-4
Next time try to cancel out x first by multiplying by -1 so you can get y first then go from there

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