The expression is .
Whether the equation is true or not
\According to subtraction property of equality: If a = b then a - c = b – c.
\ (Subtract 6 from each side)
(Commutative property: a + b = b + a)
(Additive inverse property:
)
(Subtract:
)
According to division property of equality: if , then
.
(Divide each side by 4)
(Cancel common terms)
(Divide:
)
The equation is true.