Question

What is 9x + 12 < 84 and 2x - 6x > -8

Answer 1

9x+12<84 is 9x<72 which is x<7
2x-6x>-8 is -4x>-8 which is x<2

Answer 2

(9x+12<84)

9x+12-12<84-12

9x<72

=x<8

(2x-6x>-8)

-4x>-8

4x<8

=x<2

and the answer is x<2