Question

Solve for x and y: 2x – 3y = -4 ; x + 2y = 5 by cross multiplication method.​

Answer 1

Answer:

Step-by-step explanation:

2x-3y=-4

x + 2y=5

                               

2x-3y+3y=-4+3y

2x=-4+3y

2       2

x=-4+3y

      2

x+2y=5

(-4+3y)+2y=5

  2       1

by cross multiplying

-4+3y+4y=5

     2          1

by cross multiplying

-4+3y+4y=10

-4+7y=10

7y-4+4=10+4

7y=14

7     7

y=2

x=-4+3y

      2

x=-4+3(2)

       2

x=2

   2

x=1

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