8x + 12 > 7x + 2 for x

Get all the x-terms to one side and all the numbers to the other.

Subtract  7x  from both sides:

8x - 7x + 12  >  7x - 7x + 2

x + 12  >  2

Subtract  12  from both sides:

x + 12 - 12 > 2 - 12

x  >  -10

8x+12>7x+2

x+12>2

x>2-12

x>-2