Advertisements
Advertisements
Question
Solve the following equation:
15 + x = 5x + 3
Advertisements
Solution
15 – 3 = 5x – x
12 = 4x
3 = x
x = 3
APPEARS IN
RELATED QUESTIONS
Solve the following equation:
`(3"x")/("x" + 6) - "x"/("x" + 5) = 2`
Solve:
`5x − (4x + (5x - 4)/7) = (4x - 14)/3`
A man’s age is three times that of his son, and in twelve years he will be twice as old as his son would be. What are their present ages.
A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time?
The present age of a man is twice that of his son. Eight years hence, their ages will be in the ratio 7 : 4. Find their present ages
Solve: `"x" - ("x" - 1)/2 = 1 - ("x" - 2)/3`
Solve: `("9x" + 7)/2 - ("x" - ("x" - 2)/7) = 36`
Solve: `("6x" + 1)/2 + 1 = ("7x" - 3)/3`
The sum of two numbers is 405 and their ratio is 8 : 7. Find the numbers.
The numerator of a fraction is 5 less than its denominator. If 3 is added to the numerator, and denominator both, the fraction becomes`4/5`. Find the original fraction.
