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3 April, 00:28

Solve for x.

6x - 3 = 21 - 2x

(SHOW YOUR WORK)

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Answers (2)
  1. 3 April, 02:24
    0
    Answer:x=3

    Step-by-step explanation:first add 2x to both sides to get all the x's together

    6x - 3 + 2x = 21

    then add three to both sides to get the x's alone

    6x + 2x = 21 + 3

    simplify both sides of the equation

    8x = 24

    divide both sides by 8 to get x by itself

    24/8 = 3
  2. 3 April, 03:00
    0
    Simplifying

    6x + - 3 = 21 + - 2x

    Reorder the terms:

    -3 + 6x = 21 + - 2x

    Solving

    -3 + 6x = 21 + - 2x

    Solving for variable 'x'.

    Move all terms containing x to the left, all other terms to the right.

    Add '2x' to each side of the equation.

    -3 + 6x + 2x = 21 + - 2x + 2x

    Combine like terms: 6x + 2x = 8x

    -3 + 8x = 21 + - 2x + 2x

    Combine like terms: - 2x + 2x = 0

    -3 + 8x = 21 + 0

    -3 + 8x = 21

    Add '3' to each side of the equation.

    -3 + 3 + 8x = 21 + 3

    Combine like terms: - 3 + 3 = 0

    0 + 8x = 21 + 3

    8x = 21 + 3

    Combine like terms: 21 + 3 = 24

    8x = 24

    Divide each side by '8'.

    x = 3

    Simplifying

    x = 3
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