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Solve for a: 2a + 6 = 30

Mathematics

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Answer

a = 12\text{a = 12}

Step-by-step solution

2 steps

  1. Subtract 6 from both sides of the equation.

    2a+6−6=30−62a + 6 - 6 = 30 - 6 2a=242a = 24

  2. Divide both sides by 2 to solve for aa.

    2a2=242\frac{2a}{2} = \frac{24}{2} a=12a = 12
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