Question

please ans these question

Answer 1

i think it's answer is -7/0

Answer 2

2x+3/2x+1=5x+2/5x+3
-- cross multiplying
(2x+3)(5x+3)=(2x+1)(5x+2)
10x^2+6x+15x+9= 10x^2+4x+5x+2
10x^2+21x+9-10x^2-9x-2=0
12x+7=0
12x=-7
x=-12/7