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Sec 5: Solving complex linear Equations
Homework: Pg 23 #35-40, 57-59 Learning Target: Students will solve complex linear equations and apply them to real-world problems (students can already solve multi-step equations as proven with the pre-test).
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ACT Question A rectangular rug has an area of 80 square feet, and its width is exactly 2 feet shorter than its length. What is the length, in feet, of the rug? A. 8 B. 10 C. 16 D. 18 E. 36
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Ex 1: Solve for x 3x – 7(2x – 13) = 3(-2x + 9) X = 64/5 or 12.8
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Ex 2: Equations with multiple fractions!!!!
*Hint – if you multiply everything by the least common denominator, you can get rid of the fractions!
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Ex 3: using ratios The lengths of the sides of a triangle are in the ratio of 3:4:5. The perimeter of the triangle is 18 inches. Find the lengths of the sides.
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homework Pg 23 #35-40, 57-59
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