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Mathematics, 04.07.2019 03:30 amulets5239

Will give brainliest ian solved the system of equations by making a substitution for y in the second equation. what equation did he get as a result of that substitution? y=-3x+1 5x-2y=31 a. 5x+6x+1=31 b. 5x+6x-2=31 c. -15x+5x=31 d. -15x-x=31

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