Solve the following system of equations if
(2x + 3y - 4z) = 19 (1) (-y + 6z) = 23 (2)
Calculate 10x + 10y + 10z.
Add (1) + (2) (both equations) together and you get 2x + 2y + 2z = 42 (3). Multiply the equation (3) by 5 and you get 10x + 10y + 10z = 42 * 5 = ............... (diy).
210?
