Question

solve x/2 + 2y/3 = -1 and x-y/3 = 3 by elimination method and cross multiplication method

Answer 1

Answer:

x-y,=9

Step-by-step explanation:

x/2+2y/3=-1

(3x+4y)/6=-1

3x+4y=-6

3x+4y+6=0

x=y+9

3(y+9)+4y+6=0

3y+27+4y+6=0

7y,+33=0

y=-33/7

x=-33/7+9

x=30/7