Asked by TB
solve using the substition method. show your work. if the system has no solution or an iniinite number of solutions, state this 18x+6y=78
12x+54y=-48
12x+54y=-48
Answers
Answered by
Steve
3x + y = 13
so, y = 13 - 3x
2x + 9y = -8
2x + 9(13 - 3x) = -8
x = 5
so, y = -2
so, y = 13 - 3x
2x + 9y = -8
2x + 9(13 - 3x) = -8
x = 5
so, y = -2
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