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27 March, 12:27

Solve for x: 3 (x + 1) = 2 (x - 1)

+5
Answers (2)
  1. 27 March, 13:36
    0
    The answer you are looking for is x = - 5.

    Step-by-step explanation:

    First, start by distributing the 3 and 2. This will remove the parentheses. The way you do this is by multiplying each number or variable inside the parentheses by the number outside the parentheses.

    3x + 3 = 2x - 2

    Next, get the variable to one side. One way to accomplish this is by subtracting 2x from each side.

    x + 3 = - 2

    Lastly, move the numbers to one side. Do this by subtracting 3 from both sides.

    x = - 5

    There you go. Your answer is now in the simplest form. Confirm the answer is as simple as plugging in - 5 for x in the original equation.
  2. 27 March, 14:31
    0
    x = - 5

    Step-by-step explanation:

    3 (x + 1) = 2 (x - 1)

    Distribute on both sides.

    3x + 3 = 2x - 2

    Subtract 2x from both sides.

    x + 3 = - 2

    Subtract 3 from both sides.

    x = - 5
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