kai is thinking of a number if she multiplies it by 2 and add 4 she gets the same result if she subtracts 8 from 4 times the number.what is the number?
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Answer:
let the number be x
Explanation:
=(2*x)+4=(x-8)*4
=2x + 4 = (x-8) * 4
=(2x + 4)/4 = (x-8)
2x/4 = x-8+4
x/2=x-4
x+x=-4/2
2x=-2
x=-1
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