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 .