SOLUTION: Solve this system of linear equations using the elimination method. Be sure to show all your work.
12x + 6y = 30
-2x + 7y = 51
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Question 1131306: Solve this system of linear equations using the elimination method. Be sure to show all your work.
12x + 6y = 30
-2x + 7y = 51
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
multiply second equation by 2 to make the xs cancel
12x+6y=30
-12x+42y=306
48y=336
y=7
substitute into first equation 12x+42=30
12x=-12
x=-1
check in second
2+49=51
checks
(-1, 7)
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