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Question
Change the following statements using expressions into statements in ordinary language.
(For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language − Nalin scores 15 runs more than Salim.)
Tony puts q marbles on the table. He has 8 q marbles in his box.
Solution
Tony’s box contains 8 times the number of marbles on the table.
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RELATED QUESTIONS
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x - 7 = 1 | x = 8 |
Simplify:
4x − (3y − x + 2z)
Simplify:
−3(a + b) + 4(2a − 3b) − (2a − b)
Write the following statement as an equation:
A number exceeds 5 by 3.
Verify by substitution that the root of 3x − 5 = 7 is x = 4.
Solve the following equation and verify the answer:
4x + 7 = 15
Solve the following equation and verify the answer:
3x − 5 = 13
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.
Change the following statements using expressions into statements in ordinary language.
(For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language − Nalin scores 15 runs more than Salim.)
In an arrangement of dots, there are r rows. Each row contains 5 dots.
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.
`"q"/2 = 7` (7, 2, 10, 14)
