(3(4х-1)+5):4+(3(4х+1)+5):4=61 Последний

Question

(3(4х-1)+5):4+(3(4х+1)+5):4=61 Последний

Answer 1

(12x-3+5):4+(12x+3+5):4=61
(12x+2)+(12x+8)=244
24x+10=244
24x=234
x=9 18/24
x=9 3/4