Subtract 20 from both sides
-2(x + 5) > 6 - 20
Simplify 6 - 20 to -14
-2(z + 5) > -14
Divide both sides by -2
z + 5 < -14/-2
Two negatives make a positive
z + 5 < 14/2
Simplify 14/2 to 7
z + 5 < 7
Subtract 5 from both sides
z < 7 - 5
Simplify 7 - 5 to 2
z < 2
