Mathematics, 03.07.2019 23:00 giovney

What is the most efficient first step to isolate the variable term on one side of this equation? -9x = -4x + 5 a. subtract 5 from both sides. b. add 5 to both sides. c. subtract 9x from both sides. d. add 4x to both sides.

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What is the most efficient first step to isolate the variable term on one side of this equation? -9...