Question

решите уранение 3(x-4)-7x=5x+6

Answer 1

3(х-4)-7х=5х+6,
3х-12-7х=5х+6,
3х-7х-5х=6+12,
-9х=18,
х=18:(-9),
х=-2 

Answer 2

3(x-4)-7x=5x+6
3x-12-7x=5x+6
3x-7x-5x=6+12
-9x=18
x=-2