Answer:

Step-by-step explanation:
The denominators are the same. You can add the numerators without any extra work.

The denominator factors as (2x-3)(3x+4), so there are no factors that will cancel with the numerator.
Answer:
x = 69
Step-by-step explanation:
Given
35 + x + 76 = 180, that is
x + 111 = 180 ( subtract 111 from both sides )
x = 69
I don't know how many boys are in the classroom?
Hello!
Explanation:
This question's it's about the order of operations. It stands for parenthesis, exponents, multiply, divide, add, and subtract. It can also go left to right. (PEMDAS)
First, do parenthesis first.

Then, multiply from left too right.





Answer: 
Hope this helps!
Thanks!
-Charlie