Question 480296


3.) .5x+y=12 i got y=-.5x-12..incorrect...should be {{{y=-.5x+12}}}...you didn't move 12 to the right side, it was already there and its sign is plus

Solve the linear systems of equations using the elmination or addition/multiplication method.

7.) 8x-2y=12

     7x+3y=15  I got {{{x=33/19}}} {{{y=18/19}}}....CORRECT

Solve the systems of linear equations using the substitution method.

9.) 5x-y=8

     x+y=10  I got (3,7)....CORRECT

11.) x=y+2

      4y=3x-5  I got (3,1)....CORRECT

Solve the systems of linear equations using graphing method

13.) 2x+y=10

       x+3y=15  I got (3,4)....CORRECT

14.) 4x+2y=8

      y= -2x+6  I got no solutions parallel lines....CORRECT