Mathematics
Solve the following linear equations: (i) (ii) 3(y - 1) = 2(y + 1) (iii) n - 3 = 5n - 5 (iv)
Related Questions
Write an algebraic expression for each of the following:
(i) If 1 metre cloth costs ₹ x, then what is cost of 6 metre cloth?
(ii) If the cost of a notebook is ₹ x and the cost of a book is ₹ y, then what is the cost of 5 notebooks and 2 books?
(iii) The score of Ragini in Mathematics is 23 more than two-third of her score in English. If she scores x marks in English, what is her score in Mathematics?
(iv) If the length of a side of a regular pentagon is x cm, then what is the perimeter of the pentagon?
When x = 4 and y = 2, find the value of:
(i) x + y
(ii) x - y
(iii) x2 + 2
(iv) x2 - 2xy + y2
When a = 3, b = 0 and c = 4, find the value of:
(i) ab + 2bc + 3ca + 4abc
(ii) a3 + b3 + c3 - 3abc