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18 July, 23:41

Solve the equation: 7x=42.

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Answers (2)
  1. 19 July, 01:19
    0
    To solve this equation, you need to find the value of x. Because you currently have the value of x * 7, you need to divide it by 7 to find the value of x.

    7x : 7 = x

    Whatever you do to one side of the equation, you must do to the other, so

    42 : 7 = 6.

    If you divide both sides by 7, you get x = 6 which is the final answer.
  2. 19 July, 02:08
    0
    First, we need to see what operation is being applied to 7 and x.

    The operation that is being applied is multiplication.

    Since the inverse operation of multiplication is division, we have to apply that to both sides of the equation.

    7x=42

    7x/7=42/7

    7 and 7 cross out, and we are left with x on one side of the equation.

    x=42/7

    x=6

    Our final answer is that x=6
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