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

Jackson Pope asked Jun 7, 2023

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Jackson Pope asked Jun 7, 2023

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14 votes

Answer:

x = -4

Explanation:

$~~~~~~f(x) = -1\\\\\implies 2x +7 = -1\\\\\implies 2x = -1 - 7\\\\\implies 2x = -8 \\\\\implies x = -\frac 82 \\\\\implies x = -4$

Emil Johnsson answered Jun 14, 2023

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