Solve
the
following
simultaneous equations
3x + y = 5
; 2x + 3y = 1
Answers
Answered by
5
Answer:
x=2
y=-1
Step-by-step explanation:
(3x+y=5)× 3
9x+3y=15..............(1)
subtract eq.1 and 2.
9x+3y-15=0
-2x+3y-1=0
.......................
7x-14=0
x=2
substitute that in eq 2
2×2+3y=1
4+3y=1
y= -1
Similar questions