Equations

What is the first step that you need to make in order to solve this equation?

• Subtract 12 to both sides

• Subtract 12x to both sides

• Add 12x to both sides

• Add 12x to both sides.

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

What operation would you perform first and then second when solving for m in the following equation?
10 + 7m = 17

• subtract 10, divide by 7

• divide by 7, subtract 10

• multiply by 7, add 10

• add 10, multiply by 7

UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each additional pound. Use your equation to find out how many pounds it will take for UPS and FedEx to cost the same.

• 15 pounds

• 20 pounds

• 120 pounds

• 4 pounds

Solve for w.

• w = 2

• w = 4

• w = 6

• w = 8

Which is a solution to the equation? [HINT: USE DESMOS]

• x = 3

• x = 1

• x = -2

• x = -5

solve for y

• -16

• -1

• -15

• -14

3x+4 = 3x

• INFINITELY MANY SOLUTIONS

• NO SOLUTION

• 0

• 4

Find the solution to the system.
y = x-6
y = -3x + 2

• (0, -6)

• (6, 0)

• (-4, 2)

• (2, -4)

Solve the equation.

• x = 2

• x = -5