Multistep Equations Review

Two-Step Equations

100

2x+4=12

What is x=4

200

5x-3=27

What is 6

300

x/2 + 4=7

x=6

400

12=2x+10

x=1

500

2-3x=-28

x=10

Multi-step Equations

100

3(x+3)=5

What is -4/3

200

3x+4x+5=2x+10

What is x=2

300

3(x+2)+2=4x+2

What is x=6

400

x + x+ 3x+5=12

What is x=1

500

15x-15x+3x=2x+10

What is 10

Identity, No Solution, One Solution

100

2x+6=2x+6

What is IDENTITY (infinitely many solutions)

200

2x-6=2x+6

What is No solution

300

3(x-4)=3x+4

What is No solution

400

3x+2x+4=4x-1

What is x=-5 One solution

500

5(x+y)-4y=5x+y

What is Identity (Infinitely Many Solutions)

Math Skills

100

Explain how you know an equation has infinitely many solutions

What is when both sides are equal, when you can use any value for x and the equations balance

200

What makes an equation have no solution?

What is when you have same number of variables and different number of constants

300

What is inverse operations?

What is using opposite operations to work backwards to solve equations

400

What is a rational number?

What is a number that repeats or terminates. Any number that can be written as a fraction (whole numbers, positive and negatives, decimals that repeat/terminate, and fractions)

500

What is an irrational number?

What is a number that does not repeat and does not terminate (everlasting decimal)

Bonus Mix

100

What are Ms Martins 4 steps to solving an equation?

1. get rid of ()

2. Combine like terms

3. Get variables to one side of (=) sign

4. Solve using inverse operations

200

The solution when you solve the equation

3(-2x + 5) = 11 - 4x.

What is x = 2 ?

300

5x - 8 = 13 + 7(x - 3).

What is x = 0 ?

400

What is the coefficient in:

  -2x+3

-2

500

The solution when you solve the equation

- 20 -(4x - 1) = -15.

x=-1