X + x + x + x - 20 is equivalent to 4x - 20 because you can add the like terms, or the x's.
(a + 2b) • (a2 - 2ab - 4b2)
Answer: 15
Step-by-step explanation: Take 12 and change the -3 to a regular 3.
(12 + 3 = 15.)
Whichever number in the question that’s bigger determines what integer it will have.
No because Pi is an irrational number so adding 2 to Pi will also be irrational.
Answer:
4 12
3 18
5 20
7 42
5 15
Step-by-step explanation:
all of the above form a proportion
