without using a calculator's graphing or equation solver tools :tongue:(adsbygoogle = window.adsbygoogle || []).push({});

2000x^16 + 5000x^39 = 3000 + 1600x^12

how can i solve for x?

200(1+i)^7 + 100(1+i)^5 = 300(1+i)^3

i?

1.06^t = 2(1.04)^t

t?

1.08^-n + 1.08^-2n = 1

n?

6x^2-2x-3=0

argh why cant i do these.. i feel like im missing a basic technique that can be applied to all of these

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# Simple equation, but I dont know how to solve for x

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