Advertisements
Advertisements
प्रश्न
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.)
उत्तर
Let the lowest marks be l.
2 × Lowest marks + 7 = Highest marks
2 × l + 7 = 87
2 l + 7 = 87
APPEARS IN
संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| 5x = 25 | x = -5 |
Check whether the value given in the bracket is a solution to the given equation or not:
4p − 3 = 13 (p = 1)
Write the given equation in statement form:
m − 7 = 3
Add the following:
\[2 x^2 - 3xy + y^2 \]
\[ - 7 x^2 - 5xy - 2 y^2 \]
4 x2 + xy - 6 y2
_______________
Solve the following equation and verify the answer:
4x + 7 = 15
Solve the following equation and verify the answer:
6(1 − 4x) + 7(2 + 5x) = 53
Raju’s father’s age is 5 years more than three times Raju’s age. Raju’s father is 44 years old. Set up an equation to find Raju’s age.
Kanta has p pencils in her box. She puts q more pencils in the box. The total number of pencils with her are ______.
The distance (in km) travelled in h hours at a constant speed of 40 km per hour is ______.
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
5m = 60 (10, 5, 12, 15)
