Question

Write two solutions for the equation: 2x + y = 8 [2]

OR

Check which of the following is the solution for the equation x – 2y = 8

a) (2, 0)

b) (8, 0)​

Answer 1

Given : 2x + y = 8

To Find : Write two solutions for the equation

Solution:

2x + y = 8

x = 0

=> 2(0) + y = 8

=> y = 8

( 0 , 8)

y = 0

=> 2x + 0 = 8

=> 2x = 8

=> x = 4

( 4 , 0)

two solutions for the equation: 2x + y = 8  are

(0 , 8)  and ( 4 , 0)

x – 2y = 8

y = 0

=> x - 0 = 8

=> x = 8

(8, 0) is the solution of  x – 2y = 8

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