x≤ 7 is the answer I could find hope it helps
i think maybe ? x+20*2=5-2*x
The answer for the question is
Answer:
Polynomials are closed under addition. When subtracting polynomials, the variables and their exponents do not change. Only their coefficients will possibly change. This guarantees that the difference has variables and exponents which are already classified as belonging to polynomials.
Step-by-step explanation:
