Question

when 7 is subtracted from thrice a number the results is 8,then find the number​

Answer 1

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3x - 7 = 8

3x = 8 + 7

3x = 15

x = 15 ÷ 3

x = 5

Answer 2

Let the number be x

So,3x–7=8

=》3x=8+7

=》3x=15

=》x=15/3

=5

Ans.5

Hope this help you...