How do you solve the following linear system: - 12x + y = 15 , 3x + 2y = 3 ?

1 Answer
Jul 5, 2018

I got:
x=-1
y=3

Explanation:

Let us isolate y from the first equation and substitute into the second:

y=12x+15

so we get:

3x+2(12x+15)=3

solve for x:

3x+24x+30=3

27x=-27

x=-27/27=-1

and so:

y=-12+15=3