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Solve for x. 7(x + 1) = 21 x = 2 x = 20/7 x = 22/7 x = 4
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Aug 18, 2018
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Solve for x. 7(x + 1) = 21
x = 2
x = 20/7
x = 22/7
x = 4
Mathematics
high-school
Mariluz
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Mariluz
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x= 2 because 7x+7=21, -7 and 7x=14
Bruno Miguel
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Aug 20, 2018
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Bruno Miguel
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4
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7x+7=21
-7 -7
7x=14
divide 7 on both sides
x=2
Matt Harris
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Aug 24, 2018
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Matt Harris
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