Mathematics, 12.11.2019 06:31, dmahaney8538
Which of the following situations may cause someone to use substitution, in order to solve a system of equations?
a. an exact solution is not needed.
b. one of the equations may easily be solved for a variable.
c. an exact solution is needed.
d. both of the equations are solved for one variable.
Answers: 3
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Which of the following situations may cause someone to use substitution, in order to solve a system...
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