The equation is,
Using distributive property multiply the factors:
(Multiply the factors)
(Apply Commutative property:
)
(Subtract:
)
(Add:
)
(Add 61 to both sides)
(Apply Additive inverse property:
)
(Apply Additive identity property:
)
(Subtract:
)
(Divide each side by 4)
(Cancel cammon terms)
(Divide:
)
(Multiply each side by negative one)
(Product of two same signs is positive)
Check:
\ To check the solution, substitute in original equation.
(Substutite
)
First evaluate inside the brackets
\
(Multiply:
)
(Subtract:
)
Compare the values, the equation is true. The solution is .
The solution is .