Question

if x-y =10 and x = 2y , find value of y
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Answer 1

Answer:

x - y = 10

x = 2y

Substituting the value of X into the first equation

2y - y = 10

y = 10

Therefore y = 10

Step-by-step explanation: Hope this helps.

Answer 2

Answer:

x-y=10

2y-y=10 (given x=2y)

y=10/2

y= 5