Answer:
The solution is x=1,y=2,z=3
Step-by-step explanation:
The given system of equations is ;\
2x−3y+4z=8...(1)
3x+4y−5z=−4...(2)
4x−5y+6z=12...(3)
Make x the subject in equation (1)

Put equation (4) into equation (2) and (3)

Multiply through by;

Expand;

Simplify;

Equation (4) in (3)





Put equation (6) into equation (5)




z=3
Put z=3 into equation (6)
y=2(3)-4=2
Put y=2 and z=3 into equation 4

The solution is x=1,y=2,z=3
Answer:
500 divided by 10 = 50
Step-by-step explanation:
quotient means the answer of a division problem 50 is the quotient of 500 being divided by 10
Answer: there is no N in the equation
Step-by-step explanation:
Answer:
It would be the 4th one and the last one I think
Step-by-step explanation:
Answer:
2+1 is 3
Step-by-step explanation:
just add one more