Since is addition you do the opposite and subtract 12 from 12 and -5 then 12 cancels out and -5-12=-17
3(x+7)<7(x+2)
Inequality Form: x>7/4
Interval Notation: (7/4, infinity)
Answer:
There are no solutions
Step-by-step explanation:
Because the lines are parallel, they will never meet, meaning there are no solutions to this system of equations