Advertisements
Advertisements
प्रश्न
Solve: 7x + 10 = 80
उत्तर
Given 7x + 10 = 80, Subtracting 10 from both the sides,
7x + 10 – 10 = 80 – 10
7x = 70
Dividing both sides by 7
`(7x)/7 = 70/7`
x = 10
APPEARS IN
संबंधित प्रश्न
The value of x in the equation x + 5 = 12 is _________
Find x and m: `(3x - 2)/4 - ((x - 3))/5` = −1
Nine added to thrice a whole number gives 45. Find the number
Complete the table and find the value of ‘k’ for which `("‘k'")/3` gives 5.
| K | 3 | 6 | 9 | 12 | 15 | 18 |
| `"k"/3` | 1 | 2 |
The rectangles made of identical square blocks with varying lengths but having only two square blocks as width are given below
(i) How many small size squares are there in each of the rectangles P, Q, R and S?
(ii) Fill in the boxes
| Rectangle | P | Q | R | S | T |
| Number of small size squares along the breadth | 2 | 2 | ? | 2 | 2 |
| Number of squares along the length | 1 | 4 | 3 | ? | x |
| Total number of squares in rectangle | ? | 8 | ? | 10 | ? |
If the cost of 10 rice bags is ₹ ‘t’, then the cost of 1 rice bag is ₹ `("‘t'")/10`
The solution of the equation 3x – 4 = 1 – 2x is ______.
The share of A when Rs 25 are divided between A and B so that A gets Rs. 8 more than B is ______.
In the equation 2x = 4 – x, transposing – x to LHS, we get x = 4.
Which of the following equations does not have a solution in integers?
