please help solve

Question

Solve the compound inequality. Write the solution set using interval notation.

-14≤4x+6≤14

Answer 1

-14 ≤ 4x+6 ≤ 14   you want to isolate the x [solve for x], so you have to get rid of everything with the x

-6         -6     -6

 

-20 ≤ 4x  ≤ 8

/4      /4     /4

 

-5   ≤  x  ≤ 2