URGENT Solve the 3-variable system using elimination. 1) -4x -5y -z = 18

2) -2x -5y - 2z = 12

3) -2x + 5y + 2z = 4

Solve to find x, y, and z.

Adding and subtracting matricesfind the value of each variable. x = and y = would

Whats is the value of the variables ?

Which phrase best describes the word definition in an axiomatic system? a. the accepted meaning of a term b. the statement of an axiom c. an accepted fact that is not proven d. a fact proven by using logic