Question

Произведение 70и задуманного числа сумме чисел 900 и500

Answer 1

70х=900+500
70х=1400
х=1400:70
х=20 - ответ - задуманное число.

Answer 2

Calculating the Product of 70 and a Concealed Number to Equal the Sum of 900 and 500

To solve the problem of finding the concealed number that, when multiplied by 70, equals the sum of 900 and 500, we can set up the equation:

70x = 900 + 500

Where x is the concealed number.

Solution

To find the value of x, we can solve the equation:

70x = 900 + 500

70x = 1400

x = 1400 / 70

x = 20

Therefore, the concealed number is 20.

This solution is derived from basic algebraic principles and the equation provided.