SOLUTION: help please Solve by substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 3x � 4y = 0 2y = x + 1

Question 128760: help please
Solve by substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
3x � 4y = 0
2y = x + 1

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the second equation

Multiply both sides by 2

Distribute and multiply

Now move onto the first equation

Plug in

Distribute the negative

Combine like terms on the left side

Add 2 to both sides

Combine like terms on the right side

So the first part of our answer is

Now plug in into the second equation

Add

Divide both sides by 2 to isolate y

So the second part of our answer is

-----------------------------
Answer:

So our solution is

and

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