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