Write a subtraction sentence where the difference is positive. use a positive and a negative integer.

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

What is 1/2 x (6 x 4)+3 + 2 show your work

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?