Answer:
x=11
Step-by-step explanation:
5x+13=9x-31
subtract 9 from both sides.
-4x+13=-31
you want to isolate the x value so subtract 13 from both sides.
-4x=-44
now divide both sides by -4.
x=11
4 hundreds = 4 100s = 4(100) = 400
400 is another way for writing four hundreds.
Hope this helps!
Answer:
B
Step-by-step explanation:
The product of the difference of x and 5 and the sum of x and 3
I believe the percentage of this is 50%. Half the numbers are even, and half are odd. Your fraction is

Simplified, that's a 50% probability.