The expression is .
Apply subtraction property of equality: Subtract 0.2x to each side.
\ (Apply commutative property of addition:
)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply subtraction property of equality: Subtract 3.2 to each side.
\ (Apply commutative property of addition:
)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 0.1)
(Cancel common terms)
(Divide: