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Solve the equation 2x + 4 = 8 for x.

Mathematics

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Answer

x=2x = 2

Step-by-step solution

3 steps

  1. Write the given equation.

    2x+4=82x + 4 = 8

  2. Subtract 4 from both sides of the equation to isolate the term with xx.

    2x+4−4=8−42x + 4 - 4 = 8 - 4 2x=42x = 4

  3. Divide both sides by 2 to solve for xx.

    2x2=42\frac{2x}{2} = \frac{4}{2} x=2x = 2
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