The equation is .
Apply addition property of equality: Add 4.3 to each side.
\ (Apply additive inverse property:
)
(Add: 14.5 + 4.3 = 18.8)
Apply subtraction property of equality: Subtract 12.6k from each side.
\Apply commutative property of addition: a + b = b + a.
\ (Apply additive inverse property:
)
(Subtract:
)
Apply division property of equality: Divide each side by negative 9.4.
\ (Cancel common terms)
(Divide:
)
Check:
\To check the solution, substitute in original equation
.
(Multiply:
)
(Subtract:
)
(Add:
)
The equality is true.
The value of .