Question

if three numbers are added their sum is 2 if two times of the second number is subtracted from the sum of the first and the third number we get it and if the theory X of the first number is added to a second and third we get 4 find the number using matrix​

Answer 1

Answer:

Large stocky animal/ 1.5 m in length / and weighs 150 kgs/ it is a /

measuring uptoAnswer: Margie is 11 years old and Tommy is 13 years old.

Answer 2

$\implies$

Let say three numbers are

x  , y & z

x + y + z = 2     ➩equation 1

x + z - 2y = 8   ➩ equation 2

3x + y + z = 4   ➩equation 3

➩

Eq 1   - eq2

=> 3y = -6

=> y = -2

➩

Eq 3 - Eq1

=> 2x = 2

=> x = 1

➩putting x & y in eq 1

1 -2 + z = 2

=> z = 3

➩1 , -2 & 3