Question

Absolute value 7-4x over 7 absolute value less than or equal to 3

Answer 1

\[|\frac{7-4x}{7}|\le3\]
?

Answer 2

is that right?

Answer 3

yes

Answer 4

\[|7-4x|\le21\]
\[7-4x \le 21\] , \[7-4x \ge -21\]
\[-4x \le 21-7 \] , \[ -4x \ge -21-7\]
\[-4x \le 14\] , \[-4x \ge -28\]
\[x \ge \frac{14}{-4}\] , \[x \le \frac{-28}{-4}\]
\[x \ge \frac{-7}{2}\] , \[x \le 7\]

*~~~~*
____|_____|_____
-7/2 7
[-7/2,7]
i think it is out of order
i tried to do in columns
but oh well im off to bed hope this helps

Answer 5

Guys, is Latex working for you?!