SOLUTION: Solve using the substitution method, the elimination method, or the graphing method.
2(x - y) = 3 + x, x = 3y + 4
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Question 169941This question is from textbook Introductory Algebra
: Solve using the substitution method, the elimination method, or the graphing method.
2(x - y) = 3 + x, x = 3y + 4
This question is from textbook Introductory Algebra
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve using the substitution method, the elimination method, or the graphing method.
2(x - y) = 3 + x
x = 3y + 4
--------------
2x-2y = 3+x From eqn 1
Subtract x
x-2y = 3
x-3y = 4 Eqn 2
Subtract to eliminate x
0x + y = -1
y = -1
Sub into eqn 2
x = 3*(-1) + 4
x = -3 + 4
x = 1
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