

The equation is
.
Apply subtraction property of equality: Subtract 25 from each side.
\
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply multiplication property of equality: Multiply each side by 4.
\
(Cancel common terms)
Apply division property of equality: If a = b then
.
(Divide each side by 5)

(Cancel common terms)
(Multiply:
)
Verify:
\To check the solution, substitute
in original equation.

(Cancel common terms)
(Multiply:
)
(Add:
)
Compare the values, the equation is true.
The solution is
.