The equation is,
Using distributive property multiply the factors: .
(Multiply the factors)
(Subtract:
. Add:
)
Addition property of equality: If a = b then a + c = b + c
\ (Add 10 to each sides)
(Subtract:
. Add:
)
Check:
\ To check the solution, substitute in original equation.
(Substitute
)
(Subtract:
. Add:
)
(Multiply:
and
)
(Subtract:
)
Compare the values, the equation is true. The solution is .
The solution is .