Sagot :
72 + 2x + x = 180
72 + 2x + x -72 = 180 - 72
2x + x = 108
3x =108
3x/3 = 108/3
x=36
Bonsoir,
72 + 2x + x = 180
2x + x = 180 - 72
3x = 108
x = 108/3
x = 36.
72 + 2x + x = 180
72 + 2x + x -72 = 180 - 72
2x + x = 108
3x =108
3x/3 = 108/3
x=36
Bonsoir,
72 + 2x + x = 180
2x + x = 180 - 72
3x = 108
x = 108/3
x = 36.