Solve the system of linear equations by substitution.
x + 4y = 30
y = −x + 9
The...
Mathematics, 11.02.2021 02:10 ryan1kk
Solve the system of linear equations by substitution.
x + 4y = 30
y = −x + 9
The solution of the system is (___, ___).
Answers: 2
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