Consider the equation.


42+30= [blank] (7+5)

Enter the unknown number that makes the equation true.

then what is the answer to it

pus

42+30 = x(7+5)

72 = 12x

To solve this equation, we need to simplify the right side of the equation first.

The expression inside the parentheses is 7+5. Evaluating this expression gives us 12.

So, we can rewrite the equation as:

42 + 30 = [blank] (12)

Now we can solve for the unknown number by performing the arithmetic on the left side of the equation:

42 + 30 = 72

Therefore, the unknown number that makes the equation true is 72.

well, 42 = 6*7, so ...