$\"\"$ $\"\"$ $\"\"$

\

The equation is $\"\"$ .

\

$\"\"$ (Distribute 4)

\

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

\

Apply subtraction property of equality: Subtract 4 from each side.

\

$\"\"$

\

$\"\"$ (Apply additive inverse property: $\"\"$ )

\

$\"\"$ (Apply additive identity property: $\"\"$ )

\

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

\

Apply division property of equality: if a = b then $\"\"$

\

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

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Divide: $\"\"$ ) $\"\"$

\

Check:

\

To substitute $\"\"$ in $\"\"$ .

\

$\"\"$ (Substitute x = 6)

\

$\"\"$ (Add: 6 + 1 = 7)

\

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

\

The equality is true. $\"\"$

\

The solution is $\"\"$ .