The equation is
Apply dovoson property of equality: Divide each side by 4.
\ (Cancel common terms)
(Divide:
)
(Subtract 1 from each side)
(Additive inverse property :
)
(Additive identity property :
)
(Subtract:
)
Graph the solution set on a number line
Check:
\To check, substitute 6, a number and equals to 6, in .
(Substitute
)
(Add :
)
The equlity is true
\The inequality solution is x=6.