solve by elimination x+6y=12

Question

-x+7y=1

Answer 1

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