Question

x+2/ y+2=9/11.. x+3/y+3 = 5/6... how to we do it's in cross multiplication method... tell me fast​

Answer 1

Answer:

hope my answer will help u

Step-by-step explanation:

let's solve this

x+2/y+2=9/11

so by cross multiplying

• 11x+22=9y+18
• 11x-9y=18-22
• 11x-9y= -4........1st equation

now

x+3/y+3=5/6

cross multiplying

• 6x+18=5y+15
• 6x-5y=15-18
• 6x-5y = -3........2nd equation

solving 1st and 2nd equation by elimination method

so multiplying equation 1st by 5 and 2nd by 9

it will be

55x-45y=-20

54x-45y=-27

changing signs

x=7

putting x=7 in equation 2

we get

y =5

......

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