The equation is
Apply distributive property: a(b+c)=ab+ac
\ (Multiply:
)
Apply addition property of inequality: Add 12z to eachside.
\ (Commutative property: a+b=b+a)
(Additive inverse property :
)
(Additive identity property:
)
(Subtract:
)
(Subtract 16 from each side)
(Additive inverse property :
)
(Additive identity property :
)
(Subtarct:
)
(Multiply each side by negative one and flip the symbol)
(Product of two same signs is positive)
(Divide each side by 7)
(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.
The inequality solution is .