Mathematics, 24.07.2019 19:00 halimomohamed

Equation 1: ax+by=c equation 2: dx+ey=f which of the following could replace equation 1 and still have the same solution? select all that apply. a. a multiple of the equation 1. b. the sum of equation 1 and equation 2. c. an equation that replaces only the coefficient of x with the sum of the coefficient of x in equation 1 and equation 2. d. the sum of a multiple of equation 1 and equation 2.

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Equation 1: ax+by=c equation 2: dx+ey=f which of the following could replace equation 1 and still...