Answer:
The reason of each steps are Distributive property, addition property of equality, addition property of equality and multiplication property of equality.
Explanation:
Let a,b and c are real number.
According to distributive property

Where, a,b and c are real number.
According to addition property of equality
and
are equivalent equations.
According to multiplicative property of equality
and
are equivalent equations.
The given equation is


(Distributive Property)
Add -2x both sides.

(Addition property of equality)
Add 28 both sides.

(Addition property of equality)
Multiply both sides by


(Multiplication property of equality)