Respuesta :
Answer:
x=1, y=3. (1, 3).
Step-by-step explanation:
5x+y=8
2x+y=5
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-(5x+y)=-8
2x+y=5
----------------
-5x-y=-8
2x+y=5
------------
-3x=-3
3x=3
x=3/3=1
2(1)+y=5
2+y=5
y=5-2
y=3
Answer:
x= 1 and y= 3
Step-by-step explanation:
5x + y =8 ......... equation 1
2x +y=5 .......... equation 2
make y the subject of the formula in equation 1
y = 8 - 5x .......... equation 3
Substitute y= 8- 5x in equation 2
2x + (8 - 5x) = 5
2x + 8 - 5x= 5
Collect like terms
2x -5x =5 - 8
-3x = -3
divide both sides by coefficient of x
-3x/-3 = -3/-3
x = 1
Substitute x= 1 in equation 3
y = 8- 5(1)
y = 8 - 5
y= 3