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23 January, 14:02

Find the value of x such that f (x) = 90 is true f (x) = 5 (x+11)

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  1. 23 January, 16:07
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    Set the equation to equal 90 and solve for x:

    5 (x + 11) = 90

    Simplify:

    5x + 55 = 90

    Subtract 55 from both sides:

    5x = 35

    Divide both sides by 5:

    x = 35/5

    x = 7
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