" (i) "2x+3y=9.3bar(5)

Express the following linear equations in the form a x+b y+c=0 and indicate the values of a, b and c in each case: (i) 2x+3y=9. 3 bar5 (ii) x-y/5-10=0 (iii) -2x+3y=6 (iv) x=3y (v) 2x=-5y (vi) 3x+2=0 (vii) y-2=0

Express the following linear equations in the form a x+b y+c=0 and indicate the values of a, b and c in each case: (i) 2x+3y=9. 3 bar5 (ii) x-y/5-10=0 (iii) -2x+3y=6 (iv) x=3y (v) 2x=-5y (vi) 3x+2=0 (vii) y-2=0

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case: 2x + 3y =9.3bar5

" (3) "2x-3y=9;2x+y=13

Let bar(a) , bar(b) be non-collinear vectors. If alpha = (x+4y)bar(a)+(2x+y+1)bar(b), beta = (y-2x+2)bar(a)+(2x-3y-1)bar(b) are such that 3alpha = 2beta then find x, y.

Solve the following system of by the method of substitution:(ii)2x+3y=9 ,3x+4y=5