3x-1 5x+1 = -2 ___ - ______ решите уравнение : 5 6
( 3х - 1 )/5 - ( 5х + 1 )/6 = - 2 6( 3х - 1 ) - 5( 5х + 1 ) = - 2 • 30 18х - 6 - 25х - 5 = - 60 - 7х = - 60 + 11 7х = 49 Х = 7