Question

Решите уравнения . .
а) 3 ( x + 2 ) - x = 10
б) 4x + 3 ( x - 7 ) = 5
в) 5 - x = 4 ( x - 3 )
г) 7 - ( 2x + 3 ) = 9
д) 1/2 ( x - 4 ) + 3x = 5
е) 5x - ( 1/2x + 9 ) = 18