Solve the pair of linear equations in substitutional method : 2x+y=5 x-2y=6.
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Answered by
0
Answer:
Step-by-step explanation:
2x + y = 5 .....(1)
5x - 2y = 6 ......(2)
from (1),
y = 5-2x
putting valure of y in (2)
5x - 2(5-2x) = 6
5x - 10 + 4x = 6
9x = 16
x= 16/9
we know, 5-2x = y
5/1 - 32/9 = y
45-32 = 9y
y = 13/9
Answered by
0
Answer:
Step-by-step explanation:
2x + y = 5 .....(1)
5x - 2y = 6 ......(2)
from (1),
y = 5-2x
putting valure of y in (2)
5x - 2(5-2x) = 6
5x - 10 + 4x = 6
9x = 16
x= 16/9
we know, 5-2x = y
5/1 - 32/9 = y
45-32 = 9y
y = 13/9
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