Answer:
The expression \(12x+15x-11x\) can be combined because of the commutative property of addition.
Step-by-step explanation:
A monomial is a number, a variable or a product of a number and a variable where all exponents are whole numbers. That means that
\(12x+15x-11x\)
all are examples of monomials.
The commutative property of addition says that changing the order of addends does not change the sum.
If we add \([(a + b)+ c]\) or \([a + (b + c)]\), the result will be same.
Therefore,
\(12x + 15x - 11x = (12 + 15 - 11)x\\12x + 15x - 11x = (27 - 11)x\\12x + 15x - 11x = 16x\)
