Answer:
one solution
Step-by-step explanation:
Http://www.icoachmath.com/math_dictionary/equivalent_equations.html
Here's a website that might help
Oh these are easy, I’ll explain.
To start off, the answer is 11.
I got this by subtracting DE (57) and BC (35). You get 22. Then, you divide the result of the subtraction by 2, which is 11.
Let me know if you need me to explain in more depth, and give brainliest if I’m correct tysm.
Maybe 6 but I’m not sure.
