
The inequality is
.
(Distributive property:
)
(Multiply :
)
Apply subtraction property of inequality:Subtract
from each side.

(Commutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
(Divide:
)
(Subtract:
)
(Divide each side by 0.4)
(Cancel common 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 greater than -0.75 in 
(Substitute
)
(Multiply:
)
(Distributive property:
)
(Multiply:
)
(Subtract:
)
The inequality is true.
The inequality solution set is
.