Question

решите уравнение 7-3x/5=1-2x/3

Answer 1

(7-3x)/5-(1-2x)/3=0
(21-9x-5+10x)/15=0
(x+16)/15=0
(1/15)x+16/15=0
(1/15)x=-16/15
x=-16/15×15/1
x=-16