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23 March, 08:25

For what value of R does the equation have a solution of X = 9.5?

7 (5x - R) + 3r = 173.5

Show how you got your answer step-by-step.

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Answers (1)
  1. 23 March, 10:41
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    r=39.75

    Step-by-step explanation:

    7 (5*9.5-R) + 3r=173.5

    7 (47.5-R) + 3r=173.5

    332.5-7R+3r=173.5

    332.5-4r=173.5

    4r=332.5-173.5

    4r=159

    r=159/4

    r=39.75
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