Question

решите уравнение 4х+30=6х-1

Answer 1

$4x+30=6x-1\\4x-6x=-1-30\\-2x=-31\\x=\frac{31}{2}\approx15,5$

Answer 2

4х+30=6х-1

4x-6x=-1-30

-2x=-31 | • (-1)

2x=31

x=15,5