I can't understand it nor work it out.

6x + 5x + 4 (2x) simply

Simplify the expression (-8/15) + (1/15)

Write an equation of lines whose graph is parallel to the graph of y=3x-10

Mr. Menedez ran 13.1 miles at a constant rate for 150 minutes. To find how fast he ran, you solve the equation 13.1 = x • 150. What does x represent?

which of the equations is not a linear equation? a. - 4v + 2w = 7 b. x/4 = y c. x = - 5 d. 2/x + 3/y = 6

Subtract. Susan began a trip with 18 1/2 gallons of gas in the gas tank of her car. If she used 17 3/4 gallons on the trip, how many gallons did she have left when she finished the trip? a 1 1/4 gallons b 1 3/4 gallons c 1/2 gallons d 3/4 gallons

Simplify 5 (x - 2) + 2x

Solve the system of equations: y = x-4 -2x + y = 18

What is the slope-intercept form of a linear equation? explain why this form is called the slope-intercept form?

Three consecutive odd integers whose sum is 141