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Solving%20Multi-Step%20Equations

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Section 7.2 Solving Multi-Step Equations pages 352 356 pages 352-353 Combine ____ terms to _____ an equation before you _____ it. When you _____ by 1s from any ... – PowerPoint PPT presentation

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Title: Solving%20Multi-Step%20Equations


1
Section 7.2
  • Solving Multi-Step Equations
  • pages 352 356

2
pages 352-353
  • Combine ____ terms to ________ an equation before
    you _____ it.
  • When you _____ by 1s from any ________, you are
    counting ___________ integers.
  • examples 120, 121
  • -5, -4, -3

3
Solve each equation.
  • x 2x - 4 14

4
Solve.
The sum of three consecutive integers is 96. Find
the integers.
sum of three consecutive integers is 96
Let x the _____ integer
Then x 1 the ______ integer
And x 2 the _____ integer
x (x 1) (x 2) 96
5
  • x (x 1) (x 2) 96

6
page 354
  • Sometimes you may need the use the ____________
    property when you solve a multi-step ________.
  • Examples
  • -3(x 6)
  • 7(x 8)

7
Steps for Solving a Multi-Step Equation
  1. Use the distributive property, if necessary.
  2. Combine like terms.
  3. Undo addition or subtraction.
  4. Undo multiplication or division.

8
Solve each equation.
2(5x 3) 14
9
Solve each equation.
38 -3(4y 2) y
10
Solve each equation.
-3(m 6) 4
11
Solve each equation.
3(x 12) x 8
12
Homework
  • pages 355 356
  • s 1-9, 10-14 even, 24, 25, 30, 31, 32, 37-39
  • write problems and answers, EXCEPT for word
    problems and multiple-choice problems
  • SHOW ALL WORK!
  • failure to write problems and/or show work will
    result in either receiving partial or no credit
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