Simplify by multiplying through.
Apply the distributive property.
Move to the left of .
Rewrite using the commutative property of multiplication.
Multiply by by adding the exponents.
Multiply by .
Reorder and .
A linear equation is an equation of a straight line, which means that the degree of a linear equation must be or for each of its variables. In this case, the degree of variable is and the degree of variable is .