Question

Решите уравнение:
6-3(х+1)= 7-х

Answer 1

6 - 3( x + 1 ) = 7 - x 
6 - 3x - 3 = 7 - x 
3 - 7 = - x + 3x 
x = - 4 : 2 
x = - 2 

Answer 2

6-3x+3=7-x
-3x+x=7+6-3
-2x=10
x=10:-2
x=-5