The equation is
Apply addition property of equality: Add 3 to each side.
\ (Additive inverse property:
)
(Additive inverse property:
)
(Add:
)
(Divide each side by 4)
(Cancel common terms)
(Divide:
)
Check:
\To check, substitute in
.
(Multiply:
)
(Subtract:
)
The equation is true.
The solution is .