What is 100-10d

for like terms.
please help will mark Brainliest to any correct!!

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

Need this asap if anyone can i would be very grateful. if you could show workings that would really