а) 30 ⋅ х – 69 = 4731; б*) (x – 46 · 25) : 75 = 193.

Question

а) 30 ⋅ х – 69 = 4731; б*) (x – 46 · 25) : 75 = 193.

Answer 1

А)30x-69=4731
30x=4731+69
30x=4800
x=160
б)(x-46*25):75=193
(x-1150)/75=193
(x-1150)/75=193
x-1150=14475
x=14475+1150
x=15625