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A gym teacher orders 42 tennis balls. Each package contains three tennis balls. Which of the following equations represents the number X of packages? X+ 3=42 3x= 42 x/3= 42 or x=3/42

asked Sep 11, 2017

Mathematics
middle-school

1 answer

1 vote

68.6k views

Which line shows the first error in the solution? 6x + 4 = 3x - 8 ( 1 ) 6x - 3x + 4x = 3x - 3x - 8 ( 2 ) 3x + 4 = -8 ( 3 ) 3x + 4 - 4 = -8 - 4 ( 4 ) 3x = -4 ( 5 ) 3x/3 = -4/3 ( 6 ) x = -4/3 ( 7 ) A. line

asked Feb 24, 2017

Mathematics
middle-school

1 answer

0 votes

187k views

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