Question

What is the solution to

- 4x + 28 > 12

Answer 1

`\large\boxed{x<4\to x\in(-\infty,\ 4)}`

Explanation:

`-4x+28>12\qquad\text{subtract 28 from both sides}\\\\-4x>-16\qquad\text{change the signs}\\\\4x<16\qquad\text{divide both sides by 4}}\\\\x<4`