Question

How to solve
3/5e-6=-2/5(e-10)-7

Answer 1

`(3)/(5) e-6=- (2)/(5)(e-10)-7`

`(3)/(5) e-6=- (2)/(5) e- (2)/(5)*(-10) -7 \\ (3)/(5) e-6=- (2)/(5) e+ (20)/(5) -7= (3)/(5) e-6=- (2)/(5) e+4 -7= \\`

`(3)/(5)e-6=- (2)/(5) e-3` /*5
3e-18=-2e-15 /+15
3e-3=-2e /+2e
5e-3=0 /+3
5e=3
e=
`(3)/(5)`