The equation is .
Apply subtraction property of equality: Subtract 9 from each side.
\Apply commutative property of addition: a + b = b + a.
\ (Apply additive inverse property:
)
(Subtract:
)
Apply multiplication property of equality: Multiply each side by 5.
\ (Cancel common terms)
(Multiply:
)
Check:
\To check the solution, substitute in original equation
.
(Divide:
)
(Subtract:
)
The solution is true.
The value of .