Advertisements
Advertisements
Question
In an equation a + b = 23. The value of a is 14 then the value of b is _______
Solution
9
Explanation;
Hint:
Given equation is a + b = 23, a = 14
14 + b = 23
∴ b = 23 – 14 = 9
b = 9
APPEARS IN
RELATED QUESTIONS
Write the given equation in statement form:
m − 7 = 3
Write the given equation in statement form:
2m = 7
Write the given equation in statement form:
`p/2` + 2 = 8
Set up an equation in the following case:
The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)
Add 2xy, 5xy, −xy
Write the following statement as an equation:
If 12 is subtracted from a number, the result is 24.
Verify by substitution that the root of 3x − 5 = 7 is x = 4.
If x = 1, y = 2 and z = 3, find the value of x2 + y2 + 2xyz.
For any two integers x and y, which of the following suggests that operation of addition is commutative ?
Complete the table and find the solution to the equation m − 7 = 3.
-
m
5
6
7
8
9
10
11
12
13
______
m − 7
______
______
______
______
______
______
______
______
______
______
