Question

If X=3Y then find values of X y and z

Answer 1

z==40. y==140. x==420.

Answer 2

Answer: 9

Explanation:

substitute the values x = 3 and y = - 2 into the expression x - 3y

⇒3−3(−2)=3+6=9

−3(−2)=−3×−2=6