\
The equation is, .
According to addition property of equality; if a = b then a + c = b + c.
\ (Add 32.7 to each sides).
(Additive inverse property:
)
(Add: 74.1 + 32.7 = 106.8)
According to division property of equality:
\For any number a, b and c, If a = b then .
\
(Divide both sides by - 2.5)
(Cancel common terms)
(Divide:
)
Check:
\To check the solution, substitute in original equation.
\ \
(Multiply:
)
74.1 = 74.1 (Subtract: )
Compare the values, the equation is true.
\The value of .