The equality is .
(Apply commutative property of addition:
)
(Subtract:
)
Apply subtraction property of equality: Subtract 33 from each side.
\ (Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 4)
(Cancel common terms)
(Divide:
)
Check:
\To check, substitute , in
.
(Substitute
)
(Multiply:
)
(Add:
)
The equality is true.
The equality solution is .