The equation is
Subtractiuon property of equality: If then
:
Subtract 4 from both sides
\ (Additive inverse property:
)
\
(Additive inverse property:
)
(Subtract:
)
\
(Divide both sides by 3)
(cancel common terms)
(Divide:
)
Check:
\ To check the solution, substitute in original equation.
(Substitute
)
(Multiply:
)
(Add:
)
Compare the values, the equation is true. The solution is .
The value of .