Solve each of the following systems of equations by the method of cross-multiplication:

(a – 2b)x + (2a + b)y = 3

Method of cross multiplication

a1x + b1y + c1 = 0

a2x + b2y + c2 = 0

(a – 2b)x + (2a + b)y = 3

15

Solve each of the following systems of equations by the method of cross-multiplication:

16

Solve each of the following systems of equations by the method of cross-multiplication:

18

Solve each of the following systems of equations by the method of cross-multiplication:

19

Solve each of the following systems of equations by the method of cross-multiplication:

Solve each of the following systems of equations by the method of cross-multiplication:(a – 2b)x + (2a + b)y = 3