The sum of two numbers is 0. Twice the smaller number subtracted from 3 times the larger number is 10. Let x represent the
arger number and y represent the smaller number. Which equations represent this situation?
y=-x

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)