Question

Find the value of y if x = 7 in the equation x – y = 10​

Answer 1

Step-by-step explanation:

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Answer 2

if we take x = 7 as equation 1

then we take x - y = 10 as equation 2

then by putting the value of equation 1 in equation 2 we get ,

=> x - y = 10

=> 7 - y = 10

=> -y = 10 -7

=> -y = 3

=> y = -3