Sagot :
4/3x-7/9 = 9
4/3x = 9 + 7/9
4/3x = 81/9 + 7/9
4/3x = 88/9
x = (88/9) / (4/3)
x = 88/9 * 3/4
x = 264 / 36
x = (12*22) / (3*12)
x = 22/3
4/3x-7/9 = 9
4/3x = 9 + 7/9
4/3x = 81/9 + 7/9
4/3x = 88/9
x = (88/9) / (4/3)
x = 88/9 * 3/4
x = 264 / 36
x = (12*22) / (3*12)
x = 22/3