How do you solve 6x-y=-5 and 4x-2y=6?

1 Answer
Oct 8, 2015

x=12

y=2

Explanation:

We have 2 equations and 2 unknowns so they are simultaneous.

6xy=5 (1)

4x2y=6 (2)

From (1):

y=(6x5)

We can substitute this expression for y into (2)

4x2(6x5)=6

4x12x+10=6

8x=610

8x=4

x=48=12

We can now substitute this value of x into (1)

6×12y=5

3y=5

y=35=2