x + 6y = 12 --- eq 1
-x + 7y = 1 --- eq 2
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13y = 13
y = 13/13
y = 1
Sub y = 1 in eq 1 or eq 2 and find for x
solve by the elimination method
x+6y=12
-x+7y=1
1 answer
x+6y=12
-x+7y=1
1 answer