Respuesta :

Space

Answer:

x = -4

Step-by-step explanation:

Step 1: Write equation

-x + 3 = 7

Step 2: Solve for x

  1. Subtract 3 on both sides: -x = 4
  2. Divide both sides by -1: x = -4

Step 3: Check

Plug in x to verify it's a solution.

-(-4) + 3 = 7

4 + 3 = 7

7 = 7

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