Math, asked by nischalcomstock, 1 month ago

If x=a+7 and y=b-a show that x+y =b+7

Answers

Answered by sujain39

2

Step-by-step explanation:

put value of x and y in equation

a+7+b-a=b+7

7+b=b+7

7+b=7+b

hence proved

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