Решите примеры 1)15×(с-8х)=75 при с=53 2)(6х-d)×8=104 при d=29

15 * ( 53 - 8x ) = 75
795 - 120x = 75
-120x = 75 - 795
-120x = -720
x = -720 : - 120
x = 6

( 6x-29) * 8 = 104
48x - 232 = 104
48x = 104 + 232
48x = 336
x = 336 : 48
x = 7