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: x+2y=-1,\ \ \ 2x-3y=12

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: 2x+3y=9,\ \ \ 3x+4y=5

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

Solve the following system of equations by using the method of substitution: (2x)/a+y/b=2,\ \ \ \ x/a-y/b=4

Solve the following system of equations by using the method of substitution: 2x+3y=9,quad 3x+4y=5

Solve the following system of equations by using the method of cross-multiplication: x+y=7,\ \ \ \ 5x+12 y=7

Solve the following system of equations by using the method of cross multiplication 2x + 3y = 7 and 6x + 5y = 11.

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

Solve the folowing sysytem of equation using the method of elimnation by substitution x + y = 7 and 3x - 2y = 11.