I WILL MEDAL AND FAN
a+ 2b = 10
2a + b =6
Solve this system of equations for a and b.
A) a =
102/5
, b = 13
B) a =
14/3
, b =
8/3
C) a =
2/3
, b =
14/3
D) a = -
2/5
, b =
34/5

Question

I WILL MEDAL AND FAN
a+ 2b = 10
2a + b =6
  Solve this system of equations for a and b.
A)	a = 
102/5
, b = 13	
B)	a = 
14/3
, b = 
8/3
C)	a = 
2/3
, b = 
14/3
D)	a = -
2/5
, b = 
34/5

rishavraj · Answer

how u wanna solve : by elimination or by substitution ??

anonymous · Answer

Elimination

rishavraj · Answer

multiply 2nd equation by -2 and add it with 1st equation ...

anonymous · Answer

I really do apologize but this math subject kinda confuses me? ):

rishavraj · Answer

like it would be :  a + 2b = 10
and -4a - 2b = -12
now add both equations... b gets eliminated

anonymous · Answer

alright!

rishavraj · Answer

:)))))

anonymous · Answer

"A" must be eliminated too?

anonymous · Answer

Because i tried solving it and i dont think A was right?

rishavraj · Answer

wht do u mean???

anonymous · Answer

A is wrong right?

rishavraj · Answer

yup.....lol stop guessing if u are... :P 
after b gets eliminated.......  -3a = -2 
so 3a = 2
a = 2/3
now get b

anonymous · Answer

thanks i got it now though!

rishavraj · Answer

lol all bcoz a = 2/3  is only in one option