Beginning Algebra by Beverly Nance

By Beverly Nance

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5x = 35 8. x + 43 = 84 9. x – 18 = 36 page 6 DEMOIVRE 5 page 8 page 7 21 7 8 18 10 16 15 13 14 12 11 17 9 19 20 6 page 17 14 9 6 11 page 10 Algebra is excitement! © Milliken Publishing Company 7. 153 8. 324 9. 2 10. 32 11. 90 2 16 7 19 3 page 21 1 2 5 page 19 The symbol is pi. page 20 CLIFFORD ADAMS HEXAGON 1 12. 88 13. 22 14. 676 15. 425 16. 57 For 10-20 accept any variables. 10. x = 8y 11. x = y – 5 12. x + (x + 1) + (x + 2) = 18 13. x = y + 4 14. 2x + 8 = 24 15. 2x + 9 = 25 16. 3x – 6 = 21 17.

5 5 ÷ = 3 6 7. 7 35 ÷ = 16 64 17. 13 52 ÷ = 4 8 8. 25 50 ÷ = 36 63 18. 4 8 ÷ = 7 3 14 = 3 19. 24 36 ÷ = 6 72 7 = 3 20. 12 16 ÷ = 4 24 9. 7 ÷ 10. 14 ÷ © Milliken Publishing Company 35 MP4041 Solving Equations with Fractions 3x = 2 3 2 3 1 1 2 i 3x = x 3 3 3 2 x= 9 3x = 2 3x = 3 3 3 x=2 Tip Express all numbers in fraction problems with two parts, a numerator, and a denominator. Then you will remember all operations. 3= 3 2 3 2 1 2 ∴ ÷ = x = 1 3 1 3 3 9 Solve the equations. Reduce all answers to the lowest improper fractions.

5 x = 46 9. 3 10. 10. 6 11. 4 © Milliken Publishing Company 39 MP4041 Two-Step Equations 2x + 4 = 2x +4= 2 x+4= x= 2x + 4 = 8 2x + 4 – 4 = 8 – 4 2x = 4 4 x= 2 x=2 8 8 2 4 0 Tip When you are solving an equation, it is usually easier to undo the addition or subtraction before undoing the multiplication or division. Solve the equations. Write the answers in the cross-number puzzle. Across © Milliken Publishing Company Down 40 MP4041 Formulas Solve for a Solve for a ab + c = d ab = d – c d–c a= b ab + c = d a= d b+c Tip Solve variable equations using the same order of operations as in numerical equations.

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