1) 19*х - 12*х = 126 2) 24*х - 15*х +47 = 1919

Question

1) 19*х - 12*х = 126 2) 24*х - 15*х +47 = 1919

Answer 1

1)19x-12x=126
x(19-12)=126
7x=126
x=18
2) 24x-15x+47=1919
x(24-15)+47=1919
9x+47=1919
9x=1919-47
9x=1872
x=208

Answer 2

1) 7х=126
х=126:7
х=18

2) 9х=1919-47
9х=1872
х=1872:9
х=208