rio m40 Chapter 6

rio m40 Chapter 6 - Chapter 6 Linear Equations Question: Is...

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1 Chapter 6 Linear Equations Question: Is 1 a solution to 7 4 3 x ? ___________why?_____________________________________ SIMPLE EQUATIONS: 2 3 X 4 2 X 15 3 X 3 2 X Try: 2 7 X 4 5 x 24 8 X 7 2 X BASIC EQUATIONS: 1) Isolate the x 18 6 3 x 7 5 x (x’s on one side, non x’s on the other) (add and subtract) 2) Divide (Divide by the number next to the variable) Try: a) b)
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2   3 18 2 2 5 x x SIMPLIFYING A BASIC EQUATION: S-I-D 1) Simplify ) 1 ( 18 8 3 2 x (simplify each side) i) Distribute/Multiply ii) Combine like term 2) Isolate the x 3) Divide Try: a) b) EQUATIONS WITH TWO OR MORE VARIABLES (Converting to a Basic equation) 1) Simplify 12 2 8 3 x x x x 2 ) 6 ( 5 (simplify each side) i) Distribute/Multiply ii) Combine like term 2) Isolate the x (pick an x side) 3) Divide Try: a) b)
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3 EQUATIONS INVOLVING FRACTIONS: 1) Simplify (simplify each side) i) Distribute/Multiply ii) Combine like term iii) Remove fractions ----- Multiply both sides by the LCD
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rio m40 Chapter 6 - Chapter 6 Linear Equations Question: Is...

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