$\"\"$

The equation is $\"\"$ .

Solve by algebraically.

Lcm of 4,5 is 20,then

Apply multiplication property of equality: Multiply each side by 20.

$\"\"$

$\"\"$ (Apply multiplication property of zero: $\"\"$ )

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

Apply addition property of equality: Add 8x to each side.

$\"\"$

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

$\"\"$ (Simplify) $\"\"$

Apply division property of equality: Divide each side by 8

$\"\"$

$\"\"$ (Cancel common terms)

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

The solution is 1.8. $\"\"$

The root of the equation $\"\"$ is 1.8.