Question

Calcule: 2x - 7= - 10

Answer 1

$2x - 7= - 10\\\\ 2x=-10+7\to \\\\ 2x=-3\to \\\\ x= \frac{-3}{2}$

Answer 2

2x=-10+7
2x=-3
x=-3 
   2
x= - 1,5