3 years ago

Is the question asking to see if x = 1, y=-2, and z=2 by solving the three equations?

Mathematics

1 answer:

dybincka [34]3 years ago

6 0

Answer:

2 × 1 +2 +2×2 =8

2+2+4=8

8=8

3×1 +3× -2 + 4×2 =5

3-6+8=5

5=5

1+2 × -2 +2 = -5

1-4+2= -5

-5 = -5

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