Elimination method

3x + -3 =6
3x + 2y = 16

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?