$\"\"$

The equation is $\"\"$ .

According to subtraction property of equality: if $\"\"$ , then $\"\"$ .

$\"\"$ (Subtract 5 from each side)

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

x = 13 (Subtract: $\"\"$ ) $\"\"$

Check:

To check the solution Substitute the value of x = 13 in above equation.

$\"\"$

18 = 18 (Add: 13 + 5 = 18)

The equality is true $\"\"$

Graph the solution on a number line

$\"graph$ $\"\"$

The value of x = 13.