Can you solve it graphically? If so, it is two curves that cross at x = -1.619

Chloe K.

asked • 04/28/17# Need help solving an exponential equation

I've tried for the last hour and a half, but I can't figure out how to solve this problem. I'd really appreciate some help.

(50(2^x))/(1+2^-x) = 4

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