oliviaguillen99 oliviaguillen99

16-06-2016
Mathematics

Answered

find the value of Q in the system so that the solution to the system is

x-3y=4

2x+Qy=8

Verified Answer :

jhonyy9 jhonyy9

16-06-2016

x -3y = 4 multiplie both sides by -2 => -2x +6y = -8
2x +Qy = 8

-2x +6y = -8
2x +Qy = 8
------------------ assume the same terms
0 6y +Qy = 0

6y +Qy = 0

Qy = -6y divide both sides by y and will get

Q = -6

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