Question

Write four solutions for each of the following equations:(i)2x + y = 7​

Answer 1

Answer:

let x=1

2(1)+y =7

y =7_2=5

let y=1

then

2x+1=7

2x=7-1

x=6÷2=3

x=3

similarly

x=3

6 +y=7

y=7-6

y=1

let y=-2

2x+(-2)=7

2x=7+2

x=9÷2

Answer 2

Answer:

2x+y=7

x+y=7/2

Step-by-step explanation:

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