Subtract.-5.7 – 11.9

Translate the phrase to an algebraic expression.Twice x

Solve the equation using the addition principle.x + 6 = -5 x = 

Solve the equation using the addition principle.x + = x =

Solve.2x – 9 + 7x = 4x + 43 – 8x x =

Solve using the multiplication principle.2b = -32 b =

Substitute to find the value of the expression given d = rt.Traveling at r kilometers per hour for t hours, a driver will travel rt kilometers . How far will Danny travel in 13 hours at a speed of 55 kilometers per hour?

Solve.4x – 9 + 3x = 9x + 15 – 6x x =

Solve.3x – (2x – 1) = 2 x =

Solve the equation.-3(x – 7) – 75 = 5x – 8(x – 2)