Question 64688
QUESTION:

solve the inequality. 
5(4-z)+5z-6>3z-8+1


ANSWER:



5(4-z)+5z-6>3z-8+1




Remove the parenthesis,




5*4- 5*z + 5z - 6 > 3z -8 + 1




20- 5z + 5z - 6 > 3z -8 + 1




20- 6 > 3z -8 + 1



14 > 3z - 7



Add 7 to both sides of the equation,




==> 14 + 7 > 3z - 7 + 7



==> 21 > 3z



Divide both sides by 3 ( because here 3 is multiplied by z)



==> 21/3 > 3z/3




==> 7 > z 




So the value of z is less than 7



Hope you understood.




Regards.

Praseenakos@yahoo.co.in