2(2y-1)+y=3
y=1
x=2 x1 - 1
x=1
Answer:
.7
Step-by-step explanation:
POH is the -log [ OH- ]. Using this equation, simply find the -log of the OH- concentration to find the pOH:
pOH = - log ( 0.000086 ) = 4.07
Answer: Yes
Step-by-step explanation:
First multiply the first equation by three to get 3x+12y=69
Then subtract 12y from both sides of the second equation
Then add the first system and the second like this:

Because 0≠70, the system has no solutions