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प्रश्न
x exceeds 3 by 7, can be represented as ______.
पर्याय
x + 3 = 2
x + 7 = 3
x – 3 = 7
x – 7 = 3
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उत्तर
x exceeds 3 by 7, can be represented as x – 3 = 7.
Explanation:
The given statement means x is 7 more than 3
So, the equation is x – 7 = 3
We can also write it as x – 3 = 7.
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संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x + 3 = 0 | x = -3 |
Write the following statement as an equation:
5 times a number equals 40.
Solve the following equation and verify the answer:
`2x-1/2=3`
Solve the following equation and verify the answer:
5(x-1) +2(x+3) + 6 = 0
If \[\frac{1}{3} x + 5 = 8\], then x = ?
Two equal sides of an isosceles triangle are 5y – 2 and 4y + 9 units. The third side is 2y + 5 units. Find ‘y’ and the perimeter of the triangle.
The distance (in km) travelled in h hours at a constant speed of 40 km per hour is ______.
Given n students in the class like football, what may 2n show? What may show? (Hint: Think of games other than football).
Complete the entries in the third column of the table.
|
S.No. |
Equation |
Value of variable |
Equation satisfied Yes/No |
|
(a) |
10y = 80 |
y = 10 |
______ |
|
(b) |
10y = 80 |
y = 8 |
______ |
|
(c) |
10y = 80 |
y = 5 |
______ |
|
(d) |
4l = 20 |
l = 20 |
______ |
|
(e) |
4l = 20 |
l = 80 |
______ |
|
(f) |
4l = 20 |
l = 5 |
______ |
|
(g) |
b + 5 = 9 |
b = 5 |
______ |
|
(h) |
b + 5 = 9 |
b = 9 |
______ |
|
(i) |
b + 5 = 9 |
b = 4 |
______ |
|
(j) |
h − 8 = 5 |
h = 13 |
______ |
|
(k) |
h − 8 = 5 |
h = 8 |
______ |
|
(l) |
h − 8 = 5 |
h = 0 |
______ |
|
(m) |
p + 3 = 1 |
p = 3 |
______ |
|
(n) |
p + 3 = 1 |
p = 1 |
______ |
|
(o) |
p + 3 = 1 |
p = 0 |
______ |
|
(p) |
p + 3 = 1 |
p = − 1 |
______ |
|
(q) |
p + 3 = 1 |
p = − 2 |
______ |
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)
