lonnapelton lonnapelton 09-04-2020 Mathematics contestada Which equations are in standard form? Check all that apply 1) y = 2x + 5 2) 2x + 3y = –6 3) –4x + 3y = 12 4) y = (3/2)x – 9 5) (1/2)x + 3 = 6 6) x – y = 5 7) 5x + 3y = (1/2)