а) -x - 4 = 1-x = 1 + 4-x = 5x = -5
б) 2x - 6 = -62x = 0x = 0
в) (-200) : x = -20-200 = -20xx = 10
г) x * (-15) = 30-15x = 30x = -2
д) 1 - 3x = x + 1-3x = x + 1 - 1-3x = x-4x = 0x = 0
е) 10 + 2x = 02x = -10x = -5
Ответы: а) -5 б) 0 в) 10 г) -2 д) 0 е) -5
а) -x - 4 = 1
-x = 1 + 4
-x = 5
x = -5
б) 2x - 6 = -6
2x = 0
x = 0
в) (-200) : x = -20
-200 = -20x
x = 10
г) x * (-15) = 30
-15x = 30
x = -2
д) 1 - 3x = x + 1
-3x = x + 1 - 1
-3x = x
-4x = 0
x = 0
е) 10 + 2x = 0
2x = -10
x = -5
Ответы: а) -5 б) 0 в) 10 г) -2 д) 0 е) -5