Mathematics, 23.10.2020 01:01 cheesecake1919
Hello, I need to know how to solve the system of linear equations by substitution.
these are the two equations:
3x+y=-9
y=5x+7
for x I got -2 but im not sure if its correct.
thanks for the help!
Answers: 1
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Hello, I need to know how to solve the system of linear equations by substitution.
these are the tw...
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