To find r, first write out the equation:

Next, multiply both sides by 2:

Now, subtract both sides by 4:

Divide both sides by 3:

The answer to this problem is
r = 2. Hope this helps and have a phenomenal day!
Answer:
13
Step-by-step explanation:
x/20 = 65%/100
20 x 65 = 1300
1300 divided by 100 = 13
Answer:
area of a triangle is 1/2×h×b
Step-by-step explanation:
1÷2×12×13
=78
The constant term in the equation is -20 because you will always be subtracting 20 no matter how big x is
I’m pretty sure you just solve exactly like that
-7(-2)-1 =13 at least I’m told that \_( •-• )_/