Find the value of the algebraic quation : 4x+3y , x=1,y=2

If y=-3, find the value of the algebraic expressions: y^3-1 .

If y=-3, find the value of the algebraic expressions: y+5/4.

Find the value of x, if 4x+3y=23 and y=5

Find the value of x and y in given equations x+2y+3=0 and 4x-5y+1=0 .

Find the value of each of the following algebraic expressions. 3x - 4y + 9, if x = 5 and y = -2

Find the value of each of the following algebraic expressions. 22-5x - 3y, where x = 5, y=-4

Find the value of each of the following algebraic expressions. 20y - 32 + 18x, for y = 3 and x = -2

Find the values of x and y which satisfy the equations: y+4x=9 and 3y+2x=5

Find the values of 'x' and 'y' when : {:[(x+2y, 3y),(4x,2)] = [(0,-3),(8,2)]

Find the point of intersection of the lines 4x + 3y = 1 and 3x - y + 9 = 0 . If this point lies on the line (2k - 1) x - 2y = 4 , find the value of k. The above question can also be stated as : If the lines 4x + 3y = 1, 3x – y + 9 = 0 and (2k - 1) x - 2y = 4 are concurrent (pass through the same point), find the value of k.