Simplify the expression x2+x (x-5)-x+7

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Answer pls man im trying to get out of summer school

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.