Помогите решить (x+38)-59=125 3*(x+15)=186 2x+3x+16=51 x:4+5=16

1)( x + 38 ) - 59 = 125 x + 38 = 125 + 59x + 38 = 184х = 184 - 38 х = 146проверка:( 146 + 38 ) - 59 = 125 184 - 59 = 125125 = 1252) 3 * ( x + 15 ) = 186 3х + 45 = 1863х = 186 - 453х = 141х = 141 : 3х = 47проверка:3 * ( 47 + 15 ) = 186141 +45 = 186186 = 1863)2x + 3x + 16 = 51 5х = 51 - 165х = 35х = 7проверка:2 * 7 + 3 * 7 + 16 = 5114 + 21 + 16 = 5151 = 514) x : 4 + 5 = 16 х : 4 = 16 -5х : 4 = 11х = 11 * 4 х = 44проверка:44 : 4 +5 = 1611 +5 = 1616 = 16