First degree equation: 2x + 1 = 0 [video]

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Transcript:

Slide 02:
Solve the first degree equation:
two x plus one equals zero.

Slide 03:
SOLUTION:
two x plus one equals zero.
two x equals zero minus one.

Slide 04:
two x equals minus one.
x equals minus one over two.

Slide 05:
ANSWER:
x equals minus one over two.
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