manjulaanupkumar3 manjulaanupkumar3

27-09-2020
Mathematics

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The value of x satisfying both the equations 4x – 5 = y and 2x – y = 3, when y = -1 is

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joypurity8873 joypurity8873

27-09-2020

Answer:

x = 1

Step-by-step explanation:

4x-5=y

4x-5= -1

4x = -1+5

4x=4

x=1

2x-y=3

2x-(-1)=3

2x+1=3

2x= 3-1

2x= 2

x=1

since the two answers for x are the same therefore:

x = 1

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