citlalipiedra18 citlalipiedra18

10-04-2018
Mathematics

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Find x if ƒ(x) = 2x + 7 and ƒ(x) = -1.

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GrammarPanda GrammarPanda

10-04-2018

the answer to this is x= -4

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scottclemens2 scottclemens2

10-04-2018

set them equal to each other

2x + 7 = -1
-7 -7
2x = -8
x = -4

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