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Shkiper50 [21]
3 years ago
7

Use Substitution to solve the following System of Equations. y = 2x - 4 y= 12 +3

Mathematics
1 answer:
castortr0y [4]3 years ago
4 0

Answer:

x = 9.5

this should be the right answer if the same one you had to solve.

Step-by-step explanation:

y = 2x - 4

y = 12 + 3                             combine them

2x - 4 = 12 + 3

    +4         +4                   The 4's cancel each other out

2x = 12 + 7                     Add then divide

 2x = 19

  2x = 19

  ----   ----

   19   19

 x = 9.5

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