The equation is
(Subtract ‘h’ from each side)
(Apply additive inverse property:
)
(Apply additive identity property:
) \ \
(Subtract
fromeach side)
(Apply commutative property of addition:
)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 4)
(Cancel common terms) \ \
The value of .