Find `x` and `y` when `x+y=5` and `2x-3y=4`

Find y when 3x+10y=5 and x=2

Find the values of x and y when x+y=[[1,2],[4,5]] and x-y=[[3,5],[1,2]]

Find 2x(x-3y)+2y^2 when x=-6 and y=3

Find x and y if : (x+ 2,4) = (5, 2x+ y)

If x varies inversely as y and y = 60 when x = 1.5. Find x. when y = 4.5.

Find the value of : 5x – 3y when x = 2 and y = -5

Find the value of x and y : 2x+3y=5,3x+y=4

(i) x+y=12. Find y if x=5. (ii) x+3y=-4 therefore x = ……… …. (Fill in the blanks.) (iii) Find x, if x+y=5 and x-y=7.