Homework Help: algebra

Posted by babs on Friday, July 22, 2011 at 8:04pm.

solve by elimination x+6y=12
-x+7y=1

Algebra - Mithra, Saturday, July 23, 2011 at 8:55am
x + 6y = 12 --- Equation 1

-x + 7y = 1 --- Equation 2

13y = 13

y = 13/13

y = 1

sub y = 1 in equation 1 we get:

x + 6y = 12

x + 6(1)= 12

x + 6 = 12

x = 12 - 6

x = 6

Hence, x = 6 when y = 1

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