Linear Algebra Problems

1. Solve for x, 2(x + 10) - 5(2 - x) + 3 = 0

2. Solve the linear system: 3x + y - 2 = 0 and x - y + 3 = 0

3. A three digit number consists of 7, 8 and one more number. When these digits are reversed and subtracted from the original number the answer yielded will be consisting of the same digits arranged yet in a different order. Find the another digit?

Subject | Mathematics |

Due By (Pacific Time) | 12/20/2014 12:00 am |

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