Select the ordered pair from the choices below that is a solution to the following system of equations:
-7x+6y=11
8x-3y=-1

A. (-1,-3)
B. (1,3)
C. (-2,-5)
D. (4,11)

Question

Select the ordered pair from the choices below that is a solution to the following system of equations:
-7x+6y=11
8x-3y=-1

A. (-1,-3)
B. (1,3)
C. (-2,-5)
D. (4,11)

paxpolaris · Answer

multiply the 2nd equation by 2... and add it to the 1st

anonymous · Answer

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anonymous · Answer

I MULTIPLIED THE 2ND EQUATION BY 2 AND GOT 16+-6=22. I ADDED IT TO THE FIRST AND 9+0=33. DID I DO THAT CORRECT ?

anonymous · Answer

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anonymous · Answer

@lalaly

anonymous · Answer

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anonymous · Answer

np
i am willing to help whenever u need me. i got an a in math

paxpolaris · Answer

$$\Large{\begin{matrix}-7x & + & 6y & = &11 \ 16x & - & 6y &= &-2\end{matrix}\over 9x\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ =\ \ \ \ 9}$$

lalaly · Answer

-7x+6y=11
8x-3y=-1
multiplying the second equation by 2

-7x+6y=11
16x-6y=-2
add both equations u get 
9x=9
x=1

now substitute x=1 in any one of the equations 
-7+6y=11
6y=18
y=3

so its B

anonymous · Answer

omgsh i did it right !! yay me.

lalaly · Answer

hehe