Question

. The equation is followed by the values of the variable. Decide whether these values are the solutions of that equation: x - 4 = 3 , x = -1, 7, -7
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Answer 1

Place the values of X one by one in the equation
Therefore answer be 7
As 7-4=3 th is equation is satisfied

Answer 2

Answer:

x-4=3

put x=7

7-4=3

3=3

x=7 is right solution