SOLUTION: solve the system of linear equations using the substitution method 2x-y=8 7x-3y=27
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Question 706452
:
solve the system of linear equations using the substitution method
2x-y=8
7x-3y=27
Answer by
filboi(35)
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2x-y=8; y=2x-8
7x-3y=27
7x-3(2x-8)=27
7x-6x+24=27
x=27-24
x=3
y=2(3)-8
y=-2