Ahh i need help on this 0=a/4-7 +6

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.

Two numbers have a sum of -19. one number is x. what expression represents the other number?

F(x)=5/6x+3 which of the following is true