2. Find x so that (-5)-TX (-5) = (-5)
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a. x + 5 = 12 b. 4 · x = -20. Solutions a. 7 is the solution since 7 + 5 = 12. b. -5 is the solution since 4(-5) = -20. ... 2(-3) + 1 = (-3) - 2. -5 = -5.
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