Solve the system using substitution.
4x+y=19 x-5y=1
x-y=-9 -2x+9y=-1...
Mathematics, 02.12.2021 06:20 caeyanij
Solve the system using substitution.
4x+y=19 x-5y=1
x-y=-9 -2x+9y=-1
Answers: 1
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