by cross multiplication solve 3x+y -12 and x-3y+6
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Answer:
x = 3 ,y = 3
Step-by-step explanation:
3x+y -12 =0 ----(1)
From (1)
3x + y = 12
=>> y = 12-3x
x-3y +6 =0
=>> x -3(12-3x) + 6 =0
=>> x-36 +9x + 6 = 0
=>> 10x -30 =0
=>> 10x =30
x= 3
x-3y +6 =0
3-3y+6 = 0
9 -3y =0
-3y = -9
y = 3
manjunpai2000:
yeah
it is eliminating method
haa
then u need different method??
eliminating method
cross multiplication
yes this is eliminating method
solve it with cross multiplication
yeah let me see
ait
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