Question

check x=2 is a solution of 5x+7=3​

Answer 1

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$= > 5x+7=3$

$= > 5(2) + 7 = 3$

$= > 10 + 17 = 3$

$= > 17 = 3$

Therefore, x=2 is not a solution of 5x+7=3.

Answer 2

Hi in order to check if x=2 is a solution or not we need to substitute the value of 2 in that equation . On substituting we get,
5(2)+7= 10+7=17 which is not equal to the three that is given on the RHS of the question. So we can conclude that x=2 is not a solution. Hope it helps..
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