If the sum of three times a number and 12 is 30 , then the number is _____________ 2 points. Who will find answer they are genises.
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Given,
The sum of three times of a number and 12 = 30
To find,
The value of that number.
Solution,
Let, the number = x
(Assume, x as a variable to do the further mathematical calculations.)
LHS (Left Hand Side) formation of the given equation,
= (3×x)+12
= 3x+12
RHS (Right Hand Side) of the given equation
= 30
So,the equation wil be,
3x+12 = 30
3x = 30-12
3x = 18
x = 6
The number = 6
Hence, the number will be 6.
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