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SOVING LINEAR EQUATIONS
2.2
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OBJECTIVES
•UNDERSTAND PROPERTIES OF EQUALITY
•USE VISUAL REPRESENTATIONS TO HELP MODEL LINEAR PROBLEMS
• SOLVE LINEAR EQUATIONS USING ADDITION AND SUBTRACTION PROPERTIES OF EQUALITY
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WARM-UP
•A RECTANGULAR TRAMPOLINE HAS AN AREA OF 187 SQUARE FEET. THE LENGTH OF THE TRAMPOLINE IS 17 FEET. WHAT IS THE WIDTH?
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ANCHOR TASK!!
• FOR THE PERIOD 1999 – 2004, THE MAXIMUM DEPTH OF THE DEAD SEA DECREASED BY 9.9 FEET. THE MAXIMUM DEPTH IN 2004 WAS 1036.7 FT. WHAT WAS THE MAXIMUM DEPTH IN 1999?
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SOLVING
•ONCE AN EQUATION IS GENERATED WE USE THE INVERSE OPERATION TO ISOLATE THE VARIABLE
•X+3 = 24 X – 5 = 13
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MORE PRACTICE
• -5 + X = 7 4 + X = 13 -2 + X = 15
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TRY IT!!
•HOMEWORK:•PG. 87-89: 49, 54, 56, 60 (A ONLY), 62