Find the value of x. 52degrees. Xdegrees

What’s the domain of this function? fast

The sum of two numbers is 86, and their difference is 20. find the two numbers

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x