Advertisements
Advertisements
Question
Rewrite the following using a letter.
The sum of a certain number and 3.
Solution
Let a certain number be x.
∴ x + 3
RELATED QUESTIONS
Give first the step you will use to separate the variable and then solve the equation:
x - 1 = 5
Give first the step you will use to separate the variable and then solve the equation:
x + 6 = 2
Give first the step you will use to separate the variable and then solve the equation:
y + 4 = 4
Give first the step you will use to separate the variable and then solve the equation:
y + 4 = -4
Give first the step you will use to separate the variable and then solve the equation:
4x = 25
Give first the step you will use to separate the variable and then solve the equation:
`a/5 = 7/15`
Solve the following equations.
16 = 4 + 3 (t + 2)
Solve the following equations.
0 = 16 + 4 (m − 6)
Find out which operation must be done on both sides of these equation in order to solve them.
`"x"/6 = 3`
Given below are some equations and the values of the variables. Are these values the solutions to those equations?
No | Equation | Value of the variable | Solution (Yes/No) |
1 | y - 3 = 11 | y = 3 | No |
2 | 17 = n + 7 | n = 10 | |
3 | 30 = 5x | x = 6 | |
4 | `"m"/2 = 14` | m = 7 |