Решите пожалуйста уравнения: 1) 3х -5 = -4х - 6 2) -2х +1 = 5х + 7 3) -3х - 2 = -4х - 5 4) -3х +6 = -7х + 4 5) -4х +2

1) 3х -5 = -4х - 6 ; 3 * x + 4 * x = - 6 + 5 ; 7 * x = - 1 ; x = - 1 / 7 ; 2) -2х +1 = 5х + 7 ; - 2 * x - 5 * x = 7 - 1 ; - 7 * x = 6 ; x = 6 / ( - 7 ) ; x = - 6 / 7 ; 3) -3х - 2 = -4х - 5; - 3 * x + 4 * x = - 5 + 2 ; x = - 3 ; 4) -3х +6 = -7х + 4 ; - 3 * x + 7 * x = 4 - 6 ; 4 * x = - 2 ; x = - 2 / 4 ; x = - 1 / 2 ; x = - 0.5 ; 5) -4х +2 - 6 =-5х -2+6х ; - 4 * x - 4 = x - 2 ; - 4 * x - x = - 2 + 4 ; - 5 * x = 2 ; x = - 2 / 5 ; 6) -4х +5х -(-15)= 4х + 12 - 4 ; - 4 * x + 5 * x + 15 = 4 * x + 8 ; x + 15 = 4 * x + 8 ; x - 4 * x = 8 - 15 ; 5 * x = - 7 ; x = - 7 / 5 ; 7) -3х +6х -(-4) - 2 = -4х -8 ; - 3 * x + 6 * x + 4 - 2 = - 4 * x - 8 ; 3 * x + 2 = - 4 * x - 8 ; 3 * x + 4 * x = - 8 - 2 ; 7 * x = - 10 ; x = - 10 / 7 ; 8) 2х -(-4х) + 12 - (-3) = -(-5) +х ; 2 * x + 4 * x + 12 + 3 = 5 + x ; 6 * x + 15 = 5+ x ; 6 * x - x = 5 - 15 ; 5 * x = - 10 ; x = - 10 / 5 ; x = - 2.