What is 4x+3y= -5 and -3x+4y=12 in elimination?
2 answers:
Answer:
Step-by-step explanation:
4x+3y=-5 ...(1)
-3x+4y=12 ....(2)
By 3(1)+4(2) gives
12 x+9y-12x+16y=-15+48
25y=33
y=33/25=1.32
from (1)
4x+3(33/25)=-5
4x=-5-99/25=(-125-99)/25=-224/25
x=-224/100=-2.24
4x+3y=-5 answer 4x+34+5=0 -3x+4y=12 answer 3x-4y+12=0
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