2. Solve the following system of equations using the elimination method:
Solution: Computation of the Equations
3. A total of $80,000 is invested in two funds paying 2.3% and 3.1 % simple interest. The total annual interest is $2000. How much is invested in each fund?
4. Find the point of equilibrium for a system that has a demand equation of p=49-0.0003X and a supply equation of p=33+0.00002X© BrainMass Inc. brainmass.com September 24, 2018, 9:11 pm ad1c9bdddf - https://brainmass.com/math/algebra/algebra-elimination-and-substitution-methods-576189