4×+7y=-12 __ -4x-y=-12 ________ 0x+6y=-24 , so you eleminated by it self 6y/6=-24/6 , you get : y=-4 and then you plug in 4x+7(-4)=-12 , that's your answer 4x-28 =-12 , you divided in both side 4x=-12+28 , 4x=16 , and then x=16/4 =4 , so x=4
Answer:
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Step-by-step explanation:
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The party was 5 hours. 353.86-200.51=153.35 then you divide that number by 30.67 and you get 5.
Thats an exponential function The variable x is an exponent so that is why its called exponential.
