Advertisements
Advertisements
Question
Which of the following equations cannot be formed using the equation x = 7?
Options
2x + 1 = 15
7x – 1 = 50
x – 3 = 4
`x/7` – 1 = 0
Advertisements
Solution
7x – 1 = 50
Explanation:
Consider the equation 7x – 1 = 50.
Transpose –1 to right-hand side then it becomes 1.
7x = 50 + 1
7x = 51
x = `51/7`
APPEARS IN
RELATED QUESTIONS
Solve the following equations
6z + 10 = -2
Shifting one term from one side of an equation to another side with a change of sign is known as ______.
The sum of two numbers is 60 and their difference is 30.
The solution of the equation is ______.
In integers, 4x – 1 = 8 has ______ solution.
In natural numbers, x – 5 = –5 has ______ solution.
x – 1= ______; when 2x = 2.
The solution of the equation x + 15 = 19 is ______.
If 10 less than a number is 65, then the number is ______.
If 4x – 7 = 11, then x = 4.
Seven times a number is 12 less than thirteen times the same number. Find the number.
