

The linear function is
.
Rewrite the equation in standard form Ax + By = C.
\Apply addition property of equality: Add 25 to each side.
\
(Apply Additive inverse property:
)
Apply subtraction property of equality: Subtract 5y from each side.
\
Apply commutative property of addition: a + b = b + a.
\\

(Apply Addtive inverse property:
)
Apply division property of equality: Divide each side by 5.
\
Combine like terms using distributive property:
.

(Cancel common terms)
(Divide:
)
Compare the equation with standard form to find the values A, B and C.
\
The equation in standard form is
.
.