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OpenStudy (dejavo):
if f(x)=x+5,then for what value of x does f(4x)=f(x+4)
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OpenStudy (debbieg):
Substitute in the original equation, and then set them = and solve for x.
OpenStudy (debbieg):
Eg.: f(4x)=4x + 5 (just using 4x in place of x in f(x)) Now do the same thing to find f(4+x). Set the two expressions = and solve for x.
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