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luda_lava [24]
3 years ago
8

Stella solves the following system of equations using the substitution method.

Mathematics
1 answer:
Lorico [155]3 years ago
7 0

9514 1404 393

Answer:

  B. 5x−(−4x−6)=10

Step-by-step explanation:

The first equation gives an expression for y:

  y = -4x -6

When that is used in the second equation, the result is ...

  5x -y = 10

  5x -(-4x -6) = 10 . . . . . . after substituting; matches B

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