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

x=6

400

12=2y-10

y=11

500

2-3x=-28

x=10

Multi-step Equations

100

3(x+3)=5

What is -4/3

200

5x+5-3x=2+x+10

What is x=7

300

3(x+2)=4x+2

What is x=4

400

-x+3x+5-3=-3x+12

What is x=5

500

15x-20+3x=2x+12

What is x=2

Infinitely Many, No Solution, One Solution

100

2b=6b

What is one solution: x=0

200

2x+4x=6x

What is infinite solutions

300

3(5x-4)=15x+8

What is No solution

400

-3(4 - x)=3x - 5

What is no solution

500

5x+y=y+5x

What is Infinitely Many Solutions

Random

100

Explain how you know an equation has only one solution?

The answer comes out to a variable equals a number. For example: x=5 or y = -3

200

What makes an equation have no solution?

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

300

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

400

List the opposite operation pairs

Multiplication and division, addition and subtraction

500

Simplify:  -4(3x - 6) - 4x

-16x + 24