The equation is, 
Subtraction property of equality: if
, then a - c = b - c ,
.
(Subtract 1 from each sides).
(Applay Additive inverse property:
)
(Subtract:
)
\
Multiplication property of equality: If a = b then
, c ≠ 0.
\
(Multiply each sides by 4)
(Cancel common factors)
(Multiply:
)
\
Division property of equality: If a = b then
, c ≠ 0.
\
(Divide each sides by - 3)
(Cancel common factors)
(Divide:
)
Check:
\ To check the solution, substitute
in original equation.
(Substitute
)
(Cancel common factors)
(Multiply:
)
(Subtract:
)
Compare the values, the equation is true. The solution is
.
The solution is
.