The equation is
Apply distributive property :a(b+c)=ab+ac
\Apply Subtraction property of equality: Subtract 2x from each side.
\ (Commutative property: a+b=b+a)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract 14 from each side)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
(Divide each side by 5)
(Cancel common terms)
(Divide:
)
Graph the solution set on a number line
Check:
\To check, substitute -2, a number and equals to -2, in .
(Substitute
)
(Additive inverse property :
)
(Multiply:
)
The equlity is true
\The inequality solution is .