Write each of the following as an equation in two variables.

(i) 2x= -3

(ii) y = 3

(iii) 5x =

(iv) y = x

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

(i) -2x+3y =12

(ii) x- -5 =0

(iii) 2x+3y=

(iv) 3x = -7y

(v) 2x+3 = 0

(vi) y – 5 = 0

(vii) 4=3x

(viii) y=

The cost of ball pen is Rs. 5 less than half of the cost of fountain pen. Write this statement as a linear equation in two variables.

Write two solutions for each of the following equations:

(i) 3x+4y =7

(ii) x=6y

(iii) x+πy =4

(iv) x-y =4

Write two solutions of the form x = 0, y = a and x=b, y=0 for each of the following equations:

(i) 5x-2y =10

(ii) -4x+3y =12

(iii) 2x+3y =24