\ \
The equation is 
According to subtraction property of equality: If a = b then a – c = b – c.
\
(Subtract 25 from each side)
(Additive inverse property:
)
(Add:
)
(Multiply each side by 4)
(Cancel common terms)
\ \
According to division property of equality: If a = b then 
(Divide each side by 5)
(Cancel common terms)

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

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