All real numbers
Work Step by Step
5x-5=3x-7+2(x+1) 5x-5=3x-7+2x+2 5x-5=(3x+2x)+(-7+2) 5x-5=5x+(-5) 5x-5x-5=-5 0-5=-5 -5=-5 Therefore, this equation is true for all real numbers.
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