2 years ago

Solve the system of equations algebraically. 3x+8y=−6 x−y=9 (x,y)= (

Mathematics

1 answer:

vova2212 [387]2 years ago

4 0

Step-by-step explanation:

x=y+9

substitute

3(y+9)+8y=-6

3y+27+8y= -6

13y = -6 -27

13y= -33

y = -33/13

x = -33/13 + 9

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