Solve.
{m+n=5
(m−n=3
Use the substitution method.
There ar...
Mathematics, 12.02.2020 00:28 sashamanger2396
Solve.
{m+n=5
(m−n=3
Use the substitution method.
There are an infinite number of solutions.
The solution is (4, 1).
There is no solution.
The solution is (2, −1).
Answers: 3
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