SOLUTION: solve by the substitution method 3d+e/4= d+1/2 d-e/4 = 1 If anyone can answer this math problem I would deeply appreciate it. Please and Thank You

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Question 119545This question is from textbook Algebra Structure and Method
: solve by the substitution method
3d+e/4= d+1/2
d-e/4 = 1


If anyone can answer this math problem I would deeply appreciate it. Please and Thank You This question is from textbook Algebra Structure and Method

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
d-e/4=1
-e/4=1-d
e/4=d-1 now replace e/4 by (1-d) in the other equation.
3d+(d-1)=d+1/2
3d+d-1=d+.5
3d+d-d=1+.5
3d=1.5
d=1.5/3
d=.5 answer.
e/4=.5-1
e/4=-.5
e=4*-.5
e=-2 answer.
proof
.5-(-2/4)=1
.5+.5=1
1=1