How do you solve by substitution $6x + 2y = -2$ and $4x + y = 1$ ?

Question

1442 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-06-07T14:31:07

Solution would be x=2, y= -7

From the second equation it is y= 1-4x. Now substitute for y in the first equation and solve for x as follows:

6x+ 2(1-4x)=-2
-2x +2= -2
-2x= -4, x=2. Then y= -7

How do you solve by substitution 6x + 2y = -26x + 2y = -2 and 4x + y = 14x + y = 1?