SOLUTION: Hello, How to solve x + y =10 Where y is 4 years older than x.

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Question 629255: Hello,
How to solve x + y =10
Where y is 4 years older than x.
Answer by darknez25(6) About Me  (Show Source):
You can put this solution on YOUR website!
y is 4 years older than x.
i.e
y=x+4 --- let this be equation no.(1)

x+y=10

putting the value of y fro, the equation (1)

x+x+4=10
2x=10-4
2x=6
x=3 ---(2)
now putting the value of x in eq. (1)
y=3+4
y=7
There for the value of x=3 and of y=7