X=area of the country A y=area of the country B we saggest this system of equations: x+y=178,973 x=y+373 we solve this system of equations by substitution method. (y+373)+y=178,973 2y=178,973-373 2y=178600 y=178,600/2=89,300
x=y+373 x=89300+373=89,673
answer: area of the country A=89,673 Km² area of the country B=89,300 Km²
To check The combined land area of the countries A and B is =89,673 Km²+89,300 Km²=178,973 Km² Country A (89,673 Km²) is 373 Km² more larger than country B (89,300 Km²). 89,673 Km²=89,300 Km²+373 Km²
