Multistep Equations- How many Solutions?

Two-Step Equations

100

2x+4=12

What is x=4

200

5x-3=27

What is 6

300

x/2 + 4=7

6

400

12=2x+10

1

500

2-3x=-28

10

Multi-step Equations

100

3(x+3)=5

What is -4/3

200

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

What is x=1

300

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

What is x=6

400

x + x+ 3x+5=12

What is x=7/5

500

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

What is 10

Infinitely Many, No Solution, One Solution

100

2x+6=2x+6

What is 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

5x+y=5x+y

What is 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 the first step to check for in solving equations?

Distributive property

Inequalities

100

3<-5n+2n

n<-1

200

What kind of circle would you use to graph an inequality that is greater than or equal to a number?

Closed circle

300

If you have to divide by a negative number to get the variable isolated, what do you do?

Switch the sign

400

-8x+2x-16<-5x+7x

x>-2

500

3(1-2x)>3-6x

0>x