### Present Remotely

Send the link below via email or IM

• Invited audience members will follow you as you navigate and present
• People invited to a presentation do not need a Prezi account
• This link expires 10 minutes after you close the presentation

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

# Solving Equations with Integers

509B
by

## Katerina DeHart

on 3 October 2012

Report abuse

#### Transcript of Solving Equations with Integers

Solving One-step Equations with Integers in real-world problems Flow-chart y/7=8 SADIE Adding & Subtracting Integers y - 5 = -4 8 years old in human years How many dog years is she? x=49 Sadie's age in human years # of dog years per human year Unknown variable: age in dog years sove by multiplying both sides by 7 2 1 Identify operation and key information + - / . keywords variable Isolate the variable using inverse operations "undo" get the variable by itself Whatever you do to one side, you must to do the other both sides 3 Apply rules for computing integers 4 x-2 = 3 original operation: subtraction x-2 +2= 3 +2 x-2 +2= 3 +2 do to both sides Multiplying & Dividing Integers - + / same signs --> positive different signs --> negative integer chips
number line
army guys & spies
leave change change (LCC) + - - solving one-step equations with integers Check Step substitution 3+2 = 5 Join