Question

Solve this system of linear equations. Separate

the x- and y-values with a comma.
18x + 15y = 3
3x - 2y = 5

Answer 1

Answer:
`x=1, y=-1`

Explanation:

`3x-2y=5 \implies 18x-12y=30\\\\\therefore (18x+15y)-(18x-12y)=3-30\\\\27y=-27 \implies y=-1\\\\\therefore 18x+15(-1)=3 \implies x=1`