The equation is .
Apply to addition property of equality: Add 9 to each side.
\ (Apply additive inverse property:
)
(Apply additive identity property:
)
(Add:
)
Apply to multiplication property of equality: Multiply each side by 3.
\ (Cancel common terms)
(Multiply:
)
Apply to division property of equality: then
.
(Divide each side by 5)
(Cancel common terms)
(Divide:
)
Verify:
\To check the solution, substitute in original equation.
(Substitute
)
(Multiply:
)
(Divide:
)
(Subtract:
)
Compare the values, the equation is true.
The solution is .