Solving MultiStop Equations

1
Solving Multi-Stop Equations
3.3

• Goal
• Use two or more steps to solve a linear equation
• Key Words
• like terms
• distributive property

2

• Solve a Linear Equation

Solve 3x 7 -8

• Check 3x 7 -8

3

• Solve the equation. Check your solution in the
  original equation.
• 6x 15 9

4
Solve the equation. Check your solution in the
original equation.

• 2y 5 1

• 7x 4 -11

5

• Use a Verbal Model

SCIENCE LINK The temperature within Earths
crust increases about 30C for each kilometer
beneath the surface. If the temperature at
Earths surface is 24C, at what depth would you
expect the temperature to be 114 C?
6

• If the temperature at Earths surface is 24C, at
  what depth would you expect the temperature to be
  174C?

7

• Combine Like Terms First

Solve 7x - 3x - 8 24

• Check 7x - 3x - 8 24

8

• Use the Distributive Property

Check 8x - 2(x 7) 16
Solve 8x - 2(x 7) 16
9

• Use the Distributive Property

Check 5x 3(x 4) 28
Solve 5x 3(x 4) 28
10

• Solve the equation. Check your solution in the
  original equation.
• 6(x 2) 15 6. 8 4(x 1) 8

11

• Multiply by a Reciprocal First

Solve
12

• Solve the equation. Check your solution in the
  original equation.

13
Homework
pp. 148 s 16-40 all