SOLUTION: Please help and solve this system by the addition method and indicate if the problem is independent, inconsistent or dependent. Thank you.
x + 3 (y - 1) = 11
2(x - y) + 8y = 2
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Question 137276This question is from textbook
: Please help and solve this system by the addition method and indicate if the problem is independent, inconsistent or dependent. Thank you.
x + 3 (y - 1) = 11
2(x - y) + 8y = 28
Thank you very much.
This question is from textbook
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let's expand both equations and see what we get.
1.
Distribute.
Simplify.
2.
Distribute.
Simplify.
Divide both sides by 2.
Equations 1 and 2 are the same equation.
That is, the system of equations is dependent.
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