9. Translate: The product of x and y.
a)
с) ху
b) 2(xy)
d) (x) + (y)

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.