Write and solve an equation to find the value of the variable?

Algebra
Tutor: None Selected Time limit: 1 Day

101,117,159,139,x;mean=130

Jul 7th, 2014

(101+117+159+139+x)/5 = 130

Thus, 130*5 = 516+x

Thus, x = 5*130 - 516 = 134

x = 134


Jul 7th, 2014

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Jul 7th, 2014
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Jul 7th, 2014
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