Question

Solve
(2 - 1x) (4 + 5 x)
---------------------=1
(1 - 5x) (3+ 7x)​

Answer 1

Answer:

by cross multiplication

(1-5x)(3+7x)=(2-1x)(4+5x)

3+7x-15x-35x=8+10x-4x-5x

3-43x=8-x

-43x+x=8-3

-42x=5

x= -5/42