1.is 9x - 3 = 9x + 7 identity or contradiction

2.is 9x - 3 = 3(3x - 1) identity or contradiction

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

Y=21.95x+10 y=22.45x solve by substitution

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?