$\"\"$

\

\

The equation is $\"\"$

\

According to subtraction property of equality: If a = b then a – c = b – c.

\

$\"\"$ (Subtract 3t from each side)

\

$\"\"$ (Apply commutative property)

\

$\"\"$ (Subtract: $\"\"$ )

\

$\"\"$ \ \

\

According to addition property of equality: If a = b then a + c = b + c.

\

$\"\"$ (Add 5 to each side)

\

$\"\"$ (Add: $\"\"$ )

\

$\"\"$ (Divide each side by 4)

\

$\"\"$ (Cancel common terms)

\

$\"\"$

\

$\"\"$ (Cancel common terms)

\

$\"\"$ \ \

\

Verify:

\

To check the solution, substitute $\"\"$ in original equation.

\

$\"\"$

\

$\"\"$ (Multiply: $\"\"$ )

\

$\"\"$ (Subtract: $\"\"$ . Add: $\"\"$ )

\

Compare the values, the equation is true. The solution is $\"\"$ .

\

$\"\"$ \ \

\

The value of $\"\"$

\