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شائع Word Problems >

A number when doubled results in a number that is 5 more than the original number.

الحلّ

A n u mb er w h e n d o u b l e d res u lt s in a n u mb er t ha t i s 5 m ore t han t h e or i g ina l n u mb er .

الحلّ

The number : 5

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x \cdot 2 = 5 + x

x \cdot 2 = 5 + x, x

حلّ لـ:

x = 5

The number : 5

أمثلة شائعة

a number that when decreased by 30% is 40 the sum of 2 times a number and 7 is equal to 9 The sum of three numbers is 15. The sum of twice the first number, 5 times the second number, and 6 times the third number is 56. The difference between 5 times the first number and the second number is 29. Find the three numbers.Evelyn placed 1,500 in a savings account which earns 5.2% interest, compounded annually. How much will she have in the account after 12 years?54 is 60% of what number? Use the general equation.