"twelve decreased by twice a number" ---> 12 - 2x
"8 times the sum of number and 4" ---> 8(x + 4)
12 - 2x = 8(x + 4)
12 - 2x = 8x + 32 (distributive property)
12 = 10x + 32 (add 2x to both sides)
-20 = 10x (subtract 32 from both sides)
x = -2 (divide both sides by 10)
That's answer.
Answer:
the answers are : A , B , and E. i just took the assignment.
Step-by-step explanation:
The answer is the last one! Gl
Hi! i think the question represented by the number line is 1 minus -2 (so 1-2)
hope this helped!:)
