Solve the folowing simultaneous equations using Graphical method : `2x + 3y = 12, x - y = 1 `

Solve the following simultaneous equations x + y = 8; x - y = 2

Solve the following pair of linear equation using elimination method. 3x + 2y = 11 2x + 3y = 4

Solve following pair of equations by using the substitution method. (1) 3x - 5y = -1 x - y = -1

Solve following pair of equations by using the substitution method. (2) x + 2y = - 1 2x - 3y = 12

Solve following pair of equations by using the substitution method. (3) 2x +3y = 9 3x + 4y = 5

Solve the following system of inequalities graphically. x - 2y le 3 , 3x + 4y ge 12 , x ge 0 , y ge 0

Solve the following system of equations by matrix method. 3x-2y+3z=8 2x+ y-z=1 4x-3y +2z =4

Solve following pair of equations by using the substitution method. (4) x = 6/y = 6 3x - 8/y = 5