Math, asked by rajpurohitmohit577, 8 months ago

cross multiplication method 7x+4y=12&3x+4y=-4

Answers

Answered by hanshu1234

2

Step-by-step explanation:

2x+y−5=0

3x+2y−8=0

Using cross multiplication method, we get

b1c2−b2c1x=c1a2−c2a1y=a1b2−a2b11

2x=+1y=11

So, x=2 and y=+1

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