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Solve the linear equation 3(x + 2) = 15 for x.

Mathematics

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Answer

x=3x=3

Step-by-step solution

3 steps

  1. Write the given equation.

    3(x+2)=153(x+2) = 15

  2. Divide both sides of the equation by 3.

    3(x+2)3=153\frac{3(x+2)}{3} = \frac{15}{3} x+2=5x+2 = 5

  3. Subtract 2 from both sides of the equation to solve for xx.

    x+2−2=5−2x+2-2 = 5-2 x=3x = 3

    The solution for xx is:

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