Question

Решите очень надо...

Answer 1

/x-1/=13,7
a)/x-1/=x-1, x-1 = 13,7, x=14,7
b)/x-1/=-x+1, -x+1=13,7, x= 1-13,7, x=-12,7

Answer 2

|х- 1 | = 13.7
х-1 = 13.7
х-1 = -13.7
х₁ = 14.7
х₂=-12.7