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January 25, 2015

January 25, 2015

Posted by **Kayla** on Monday, October 7, 2013 at 8:16pm.

a. Solve the equation for x.

b. How many minutes did you spend on a new song if you practiced 210 minutes last week? 245 minutes? 315 minutes?

is a: x=1/7y-15

- ALGEBRA 1 -
**answerhalp**, Monday, October 7, 2013 at 9:45pma. y = 7(15 + x)

y = 105 + 7x

y - 105 = 7x

1/7y - 105/7 = x

X DOES NOT EQUAL 1/7y - 15. You didn't distribute the 7 to 15. Remember to distribute to all on the equation, not just the x!

b. 210 = 105 + 7x

105 = 7x

x = 105/7 = 15 minutes practicing new song

- ALGEBRA 1 -
**answerhalp**, Monday, October 7, 2013 at 9:48pmsorry. x does equal 1/7y - 15. but if you only spend 210 minutes practicing that one week, it is impossible for you to practice 245 or 315 minutes on the new song.

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