The equation is .
According to subtraction property of equality: if a = b, then .
(Multiply each side by - 2)
(Cancel common terms)
(Multiply:
)
\ \
According to subtraction property of equality: if a = b, then .
(Subtract 5 from both sides)
(Additive inverse property:
)
(Subtract:
)
Check:
\To check the solution, substitute in original equation.
(Subtract: 5 - 27 = - 22)
(Divide:
)
Compare the values, the equation is true.
\The value of .