3 years ago

Solve the system using the substitution method 4x+6y=8 3x+y=9

1 answer:

4 0

4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6(9-3x) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7

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