Question

3 step equations, I really need help on these with all the work:

1.
4x+y+5z=-9
x-4y-2z=-2
2x+3y-2z=21

2.
x-7y+3z=17
5x+2y-2z=-57
3x-10y-z=-11

Answer 1

Answer:

fdsfskdfdsjg,dgkdfjkgjkdfgjkfjkdghdkj

Step-by-step explanation: