SOLUTION: x+y=4 y=2X+1

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Question 415074: x+y=4
y=2X+1
Answer by se2madon(2) About Me  (Show Source):
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x+y=4----------equation(1)
y=2X+1 --------equation(2)
put the value of y in eq.(1)
than equation(1) becomes
x+2x+1=4
3x+1=4
3x=4-1
3x=3
x=3/3
x=1
put the value of x in eq.(1)
1+y=4
y=4-1
y=3
answer x=1,y=3