Which of the following math statements contain variable(s)? Check all that
apply

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

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