Which equation matches the statement: "The sum of −7x and 3 is 9 "? (1 point) Responses −7x+9=3 negative 7 x plus 9 is equal to 3 −7x+3=9 negative 7 x plus 3 is equal to 9 −7x−3=9 negative 7 x minus 3 is equal to 9 −7x(3)=9

The equation that matches the statement "The sum of −7x and 3 is 9" is −7x+3=9.

The equation that matches the statement "The sum of −7x and 3 is 9" is:

−7x+3=9, which means negative 7x plus 3 is equal to 9.