Question

Find the solution to the system of equations x + 6 = 2y and x + 2 = 2y.

Answer 1

Step-by-step explanation:

x+2y=6......1

x+2y=2.......2

subtract eqn 1 ,2

x+2y=6

x+2y=2

=2x=8

=x=8/2

x=4

Answer 2

Answer:

Step-by-step explanation:

a1 = 1 , b1 = -2  , c1 = 6

a2 = 1 , b2 =-2 , c2 = 2

a1/a2 = 1/1  ,

b1/b2   = -2/-2

           =1/1

c1/c2 = 6/2

         = 3/1

a1/a2   = b1/b2  ≠c1/c2

parallel lines.

that means these equations don't have solutions.

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