5620802280
5620802280
29-11-2016
Mathematics
contestada
what is the answer to n/5- 9= 1/5
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Аноним
Аноним
29-11-2016
Simplifying 7n + 6 = 4n + -9 Reorder the terms: 6 + 7n = 4n + -9 Reorder the terms: 6 + 7n = -9 + 4n Solving 6 + 7n = -9 + 4n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-4n' to each side of the equation. 6 + 7n + -4n = -9 + 4n + -4n Combine like terms: 7n + -4n = 3n 6 + 3n = -9 + 4n + -4n Combine like terms: 4n + -4n = 0 6 + 3n = -9 + 0 6 + 3n = -9 Add '-6' to each side of the equation. 6 + -6 + 3n = -9 + -6 Combine like terms: 6 + -6 = 0 0 + 3n = -9 + -6 3n = -9 + -6 Combine like terms: -9 + -6 = -15 3n = -15 Divide each side by '3'. n = -5 Simplifying n = -5
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