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hey i need help with solving multi step equations please help!

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1 Answer

58 = 5x + x + 4                     Given

58 = 6x + 4                           Simplify (5x + x)

58 - 4 = 6x + 4 - 4                 Subtract 4 from each side

58 - 4 = 6x + 0                      Inverse property of addition

58 - 4 = 6x                            Identity property of addition

54 = 6x                                 simplify (58 - 4 = 54)

54/6 = 6x/6                           Divide both sides by 6

54/6 = 1x                              Inverse property of multiplication

54/6 = x                                Identity property of multiplication

9 = x                                    Simplify (54/6 = 9)