The first one is the correct answer
Hey.. I know you haven’t been able to find much help, but if you are still struggling this might help.
Try to set it up as an equation for example 25x +25=10x +15 and rewrite it in standard form and see if that helps
Answer:
x=24
Step-by-step explanation:
Hi there!
We are given the following proportion:
And we want to solve for x.
First, let's reduce , as reducing fractions typically makes the process easier
is the same as
So:
We can't do anything to , but that's okay.
Now we can cross multiply, as this is a proportion
Multiply x-9 by 1 and 3 by 5
1(x-9)=3(5)
Multiply
x-9=15
Now this is an equation
Our goal is to isolate x on one side
So let's add 9 to both sides to remove it from the left side
x-9=15
+9 +9
_________
x=24
Hope this helps!
A figure with 8 straight sides and angles
This is an example of the commutative property of multiplication.
That property states:
So using that property, we can figure out that
3 should be in the blank.