Mathematics
natalie5
32

what is the best solution for this system of linear equations? x+2y=6 x-y=3

+3
(1) Answers
ErasmoReye

we can use "elimination". (1) = x+2y=6 (2) = x-y=3 Multiply Equation 2 by -1  (3) = (2) * -1 = -x+y=-3 (3) + (1) = 3y=3 As a result, y =1 Plug y back in . x + 2y=6 x + 2 = 6  x=4

Add answer