What does x represent?

15x-12y=13

30x+9y=4

Which expression is an equivalent expression of 12x + 10 + 4y? A.) 2 (6x + 2y + 6) B.) 3 (4x + y + 10) C.) 2 (6x + 4y + 8) D.) 2 (6x + 5 + 2y)

Solve the following equation, explaining what you did in each step of your solution. After solving the equation, show the steps to check your solution. 12 + 5 (3 + 8x) = 267

Solve for x. 56x=15

The spinner at the right is used to play a certain game. On your turn, you must spin the spinner twice. How many different combinations of colors could you spin? List all the possible combinations. The colors are red yellow green and blue

In two years, Winston who is eight years older than Xavier, will be twice as old as Xavier. How old is each one now?

What's the Coefficient of a2?

There are 16 cups in 1 gallon of milk. If the costs of 1 gallon is $4.32, what is the cost of each cup?

Find the decreasing functions and arrange them in order from least to greatest y-intercept. y = 2.5x + 10 y = - 0.5x + 0.5 y = - 4.5x + 3 y = - 0.5x - 5 y = - 2x + 7 y = - 5x - 12

what is the slope intercept form of the linear equation with a graph that passes through (4,5) and is perpendicular to the graph of y=-4x+7?

P-3=-4 solve the equation and check the solution