plz give answer
Give solutions of 3x+y-12 and x-3y =-6
Answers
Answered by
0
Answer:
3×+y-12=
12×3=×+y
36xy
x-3y=-6
-3y=x6
+3xy
Answered by
0
Answer:
x=-3 and y= -3
Step-by-step explanation:
3x+y=12 -----[i]
x-3y=-6 ------[ii]
multiply equation [i] by 3
9x+3y=36------[iii]
adding equation [iii] and[ii]
9x+3y=36
+ x-3y=-6
=10x = 30
x= 3
put a value of Xin equation [ii]
3-3y= -6
-3y= -6-3
-3y= -9
y=3
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