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Algebra
Tutor: None Selected Time limit: 1 Day

Apr 12th, 2015

6. The answer is NO: x - 2y = 2 - 2(-3) = 2 + 6 = 8 not -4

7. 3x + 2y = 3k + 2*5 = 22; 3k = 22 - 10 = 12, and k = 4.

8. x + 3y = 13 + 3*k = 10; 3k = -3, k = -1


Apr 12th, 2015

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