Let the cost of a notebook be Rs x and the cost of a pen be Rs y.

Then, according to the given condition of the question,

x = 2y

⇒ x – 2y = 0

This is the required linear equation in two variables x and y.

1086 Views

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

Comparing with ax + by + c = 0, we get

a = 2, b = 3, c =

461 Views

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

x = 3y

x = 3y

x = 3y

x - 3y + 0 = 0

Comparing with ax + by + c = 0, we get

a = 1, b = -3, c = 0

574 Views

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

Comparing with ax + by +c = 0, we get

a = 1, b = , c = - 10

467 Views