Advertisements
Advertisements
Question
Solve the following equations.
3 (n - 5) = -21
Sum
Advertisements
Solution
3 (n - 5) = -21
Dividing both sides by 3,
`n - 5 = (-21)/3 = -7`
n = − 7 + 5 = −2 (Transposing −5 to R.H.S.)
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Solve the following equation.
`7m + 19/2 = 13`
Solve the following equations.
3 (n − 5) = 21
Solve the following equations.
4(2 - x) = 8
The equation which cannot be solved in integers is ______.
If 7x + 4 = 25, then x is equal to ______.
Sum of two numbers is 81. One is twice the other.
- If smaller number is x, the other number is ______.
- The equation formed is ______.
- The solution of the equation is ______.
- The numbers are ______ and ______.
In natural numbers, 4x + 5 = –7 has ______ solution.
If `x - 7/8 = 7/8`, then x = ______.
4x – 5 = 7 does not have an integer as its solution.
1 subtracted from one-third of a number gives 1. Find the number.
