Question

Find the solution of this system of equations.

separate the-x and y-values with a comma.

x=12+y
18x-12y=18

Answer 1

Answer:
`x=-21, y=-33`

`x-y=12,\\18x-12y=18 ( divide by 6)\\3x-2y=3, 2nd Eq.\\multiply- first -equation by 2\\\\2x-2y=24, 1st Eq.\\subtract-the- second -equation- from -first\\2x-3x=24-3,\\-x=21 or x=-21,\\\\substitute-the-value-of -x\\-21-y=12,\\y=-21-12= -33\\`

Explanation: