Question

3x-y=40,4x-2y=50. Solve in substitution method​

Answer 1

Answer:

x=-15,y=-85

Explanation:

3x-y=40 ---> y=3x-40

Now,4x-2y-50=0

--->4x-6x+80-50=0

--->-2x=30 --->x= -15

On Substituting the value of X in the above,

y=3 (-15)-40 ----> y= -85