Answer:
[tex]11x-8y=-9[/tex]
Step-by-step explanation:
we have
[tex]8x-4y = -4[/tex] ----> First equation
[tex]-3x+4y=5[/tex] ----> Second equation
we know that
To subtract the 2nd equation from the first, negate all three of the second equation terms: 3x-4y=-5
and then adds this result with the first equation
[tex]8x-4y = -4\\3x-4y=-5\\-------\\8x+3x-4y-4y=-4-5\\11x-8y=-9[/tex]
