Pre-Algebra Skillz 3
Solve with SADMEP 3x – 2 = 10 5x + 6 = 21 !
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+ 3 = 5 – 7 = 2 Solve with Distribution 2(5x – 3) = 24 –3(2x – 7) = –15 –5(x + 10) = –2 Solve by Combining Like Terms 2x + 5x + x = 80 –6y + 12 + 8y – 15 = 9 –10z – 6 – 5z + 10 = 34 Solve with Switch-­‐Sides-­‐Switch-­‐Signs 2x + 7 = 10x – 33 20x – 7 = 16x + 29 –x – 7 = –3x – 3 Solve with Opposite of X 5 – x = –8 Solving and Graphing Inequalities: x + 5 ≤ 13 x – 10 > –2 3x ≥ –12 –5x < –20 !
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> 7 ≤ 3 !"
2x – 7 < 13 !
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+ 5 > –3 Writing Equations and Inequalities from Verbal Sentences: Twenty minus the product of 2 and a number is 8 The sum of 3 and the product of 5 and a number is 48 A number divided by 4 minus 2 is less than or equal to 5 Four times a number added to six is at least 42