The - sign represents -1. The simplified expression is -7x + 9.
Work Step by Step
When clearing parentheses we distribute the - sign like -1. -5x - (2x - 4) + 5 = -5x - 1(2x) - 1(-4) + 5 = -5x - 2x + 4 + 5 = -7x + 9
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