SOLUTION: Solve using the subtraction method. x+y=4 y=2x+1

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Question 73699This question is from textbook Algebra 1
: Solve using the subtraction method.
x+y=4
y=2x+1 This question is from textbook Algebra 1

Answer by imsospecial105(1) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=4 y=2x+1
x+2x+1=4 y=2(1)+1
3x+1=4 y=2+1
-1=-1 Y=3
3x=3
3x=3/3
x=1 answer is (1,2)