How do you solve the simultaneous equations #3x - 2y = -9 # and #4x + 5y = -1/2#?
1 Answer
Aug 2, 2015
x=-2, y=
Explanation:
Use elimination method. To eliminate x, multiply first equation by 4 and 2nd equation by 3 and subtract.
-8y-15y=
Now substituting y= 3/2 in the first equation we have 3x=-9+3= -6.
This would give x= -2
