Solve, using the substitution method.
y – 3x = 7
21 + 9x = 3y
a.
...
Mathematics, 26.09.2019 17:30 g0606997
Solve, using the substitution method.
y – 3x = 7
21 + 9x = 3y
a.
there is no solution.
b.
there are an infinite number of solutions.
c.
the solution is (1, 10)
d.
the solution is (28, 0)
Answers: 1
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