Question

Find the Solution of the following pair of linear equations. x+ y = 16, x – y =4 1. x =6 ,y =10 2. x= 4, y=12 3. x = 10 , y = 6 4. x = 10 , y= 5

Answer 1

Answer:

By adding two equations,

x+y+x-y=16+4

or,2x=20

or,x=10

Again

By subtracting equation 2 from 1,

x+y-x+y=16-4

or,2y=12

or, y=6

So, answer is 3

Answer 2

Step-by-step explanation:

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