0 . 4 x - 1 . 5 y = 6.5
0.3x + 0.2y = 0.9
( Solve by substitution method )
Answers
Answered by
44
From eq'n ( 1 )
Substitute eq'n ( 3 ) in eq'n ( 2 )
From eq'n ( 3 )
VijayaLaxmiMehra1:
:-)
Answered by
27
♥️Hi there ♥️
0.4 x - 1 . 5 y = 6.5 -----(1)
0.3x + 0.2y = 0.9---------(2)
Now ,put it in eqn 1
Now put y = -3 in equation (3)
Hence ,
Verification :-
0.4 (5) - 1.5(-3) = 6.5
2+ 4.5 = 6.
Verify ✔️
0.3(5)+0.2(-3) = 0.9
Same with this too.
Thanks !
Hope it will helpful.
0.4 x - 1 . 5 y = 6.5 -----(1)
0.3x + 0.2y = 0.9---------(2)
Now ,put it in eqn 1
Now put y = -3 in equation (3)
Hence ,
Verification :-
0.4 (5) - 1.5(-3) = 6.5
2+ 4.5 = 6.
Verify ✔️
0.3(5)+0.2(-3) = 0.9
Same with this too.
Thanks !
Hope it will helpful.
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