# Solving equations

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0=-3,000 + 2500/(1+r)+ 1000/(1+r)^2

r=

https://brainmass.com/math/algebra/solving-equation-variables-25548

#### Solution Preview

Let's first assume that 1+r=x, then we will have:

0=-3000+2500/x+1000/x^2 or assuming x is not equal to zero we can multiply both sides by x^2, ...

#### Solution Summary

This shows how to solve an equation for a given variable.

$2.49