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F(x)=-2x+3 how do you find x if f(x) = 11

F(x)=-2x+3 how do you find x if f(x) = 11
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5 votes
F(x)=-2x+3 how do you find x if f(x) = 11

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User Makboney
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7.8k points

1 Answer

4 votes
since we know f(x)=11 all we need to do is substitute and solve. so
11=-2x+3 subtract 3 from both sides
8=-2x divide both sides by -2
-4=x
sub back in to check

-2(-4)+3=8+3=11 looks good
answered
User Ravi MCA
by
8.6k points
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