Question

15. Solve for x and y
3 - (x – 5) = y +2 , 2(x + y) = 4 - 3y
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Answer 1

Answer:

$x = 7 \: \: \: \: \: and \: \: \: \: y = - 1$

Step-by-step explanation:

3 - ( x - 5 ) = y + 2

3 - x + 5 = y + 2

8 - x = y + 2

x + y - 6 = 0 --- i)

2 ( x + y ) = 4 - 3y

2x + 2y = 4 - 3y

2x + 2y + 3y - 4 = 0

2x + 5y - 4 = 0 ----- ii)

from i) and ii)

sub.

2x + 2y - 12 - 2x - 10y + 4 = 0

-8y - 8 = 0

y + 1 = 0

y = -1

put value of y in eqn i)

x + ( -1) - 6 = 0

x - 7 = 0

x = 7

Answer 2

Answer:

x=-2 ,y=8

Hope it helps.....

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