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01-09-2017
Mathematics

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If you wanted an output of 7 for the rule y= -x+4, what would you need as an input?

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apologiabiology apologiabiology

01-09-2017

y is output
if y=7 find x

7=-x+4
minus 4 both sides
3=-x
times -1
-3=x

your input will be -3

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