SOLUTION: Please solve z+5 over 2 is less than 4-z over 7

Algebra ->  Inequalities -> SOLUTION: Please solve z+5 over 2 is less than 4-z over 7      Log On


   

Question 133855:
Please solve z+5 over 2 is less than 4-z over 7
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(Z+5)/2<(4-Z)/7 CROSS MULTIPLY
7(Z+5)<2(4-Z)
7Z+35<8-2Z
7Z+2Z<8-35
9Z<-27
Z<-27/9
Z<-3 ANSWER.
PROOF
LET Z=-3.1
(-3.1+5)/2<[4-(-3.1)]/7
1.9/2<(4+3.1)/7
.85<7.1/7
.85<1.014