Where did we go wrong here?

4Y+3=3Y+X. (where 4Y=18-2X)

18-2X + 3 = 3Y + X

18-3 = 3Y+3X

21 = 3Y + 3X

7 = Y + X

What is the answer to 4 is greater than c

What numbers add up to 10 and multiply to negative 1/3

a granola recipe calls for 2 and 1/3 cups of almonds a bag of almonds contains 2 cups to make 2 1/2 batches of granola, Ali buys 5 bags of almonds. How many almonds [in cups] are left over?

In basketball, Anthony makes 1 out of every 4 throws he tries. What is the probability that Anthony will make his next 3 free throws? Round your answer to the nearest tenth of a percent.

Eight times the reciprocal of a number equals 4 times the reciprocal of 8. find the number

protons are positive and electrons are negative if atom has 12 protons and 15 electrons what is the overall charge

What is the definition of undefined term?

In binary system 100 + 101 = 1001. write decimal equivalent of the summand and sum.

Betty plans to have two children but doesn't know if they will be boy-boy, girl-girl, or boy-girl. What is the probability that she will have two girls?

If last year's loss was $45million and this year's loss was $12million what was this year's total loss?