42*9 is a multiple of 9 and x is a digit what is value of x
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If 42X9 is a multiple of 9 then their digits sum is also a multiple of 9 or their sum is 9
Therefore, 4 + 2 + X + 9
= 15 + X
1 + 5 + X = 9
6 + X = 9
X = 9 - 6
X = 3
Therefore, X value is 3
Therefore, 4 + 2 + X + 9
= 15 + X
1 + 5 + X = 9
6 + X = 9
X = 9 - 6
X = 3
Therefore, X value is 3
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