Solve Variables

Solve y=x-28 when x=500

• y=472

• y=792

Solve y=7x+9 when x=7

• y=58

• y=50

Solve y=10x when x=80

• y=800

• y=693

Solve y=x-80 when x=120

• y=40

• y=93

The amounts that two plumbers charge for their services are described. * The first plumber charges a fixed fee of $40 for the house calls and $15 per hour of work. *The second plumber charges a fixed fee of $30 for house calls and $19 per hour of work. For what number of hours of work do the first plumber and the second plumber charges the same total amount?

Determine the values of x and y that satisfy the equations: 6x + 2y = 14 and 3x - 5y = 1

• x = 3, y = 4

• x = 2, y = 5

• x = 1, y = 7

• x = 5, y = 2

Determine the values of x and y that satisfy the equations: 6x + 2y = 14 and 3x - 5y = 1

• x = 3, y = 4

• x = 2, y = 5

• x = 1, y = 7

• x = 5, y = 2

Find the solution to the system of equations: 4x - 3y = 5 and 2x + 7y = 1

• x = 2, y = -1

• x = -1, y = 2

• x = 5, y = 3

• x = 3, y = 4

Determine the values of x and y that satisfy the equations: 7x - 2y = 5 and 3x + 4y = 11

• x = 4, y = 3

• x = 2, y = 4

• x = 3, y = 2

• x = 5, y = 1

Solve for y:
2x + 2y = 6

• y = - x + 3

• y = x + 3

• y = 2x +6

• y = - 2x + 6