Solve question no. 1 of exercise 1 by the method of substitution.

Solve Q.1 of Exercise 3.1 by the method of substitution.

Method of Substitution -1

Solve the following system of by the method of substitution (i)x + 2y = -1 ; 2x - 3y = 12

Solve the following system of equations by using the method of substitution: 3x-5y=-1,\ \ \ x-y=-1

Solve the following system of equations by using the method of substitution: 3x-5y=-1,quad x-y=-1

Solve the following system of equations by using the method of substitution: x+2y=-1,\ \ \ 2x-3y=12

For solving each pair of equations, in this exercise, use the method of elimination by equation coefficiients : (1)/(5) (x - 2) = (1)/(4) (1 - y)

Solve Question 2(i) of Exercise 1 by using the quadratic formula.

Solve the following pair of linear equations by the elimination method and the substitution method. (x)/(2)+(2y)/(3)=-1 and x-(y)/(3)=3