
The inequality
.
Apply distributive property of inequality: a(b
c) = ab
bc.

(Multiply:
)
Apply Addition property of inequality: Add 21 to each side.
\
(Additive inverse property:
)
(Additive identity property:
)
(Subtract :
)
(Divide each side by 7)
(Cancel commen terms)
(Divide:
)
Graph the solution set on a number line
\
Note: A circle means that this point is not included in the solution set.
Check:
\To check, substitute a number less than 1.14 in equality
.
(Substitute: r = 1.14)
(Subtract:
)
(Multiply:
)
this value is true
The inequality solution is
.