Section 3.8

Solving Equations and Formulas

Work BACKWARDS

• 1. d = r t for r• Reads: r times t

d = r t

Work BACKWARDS

2. 6w – y = 2zfor w (hint: look at it as 2 terms)Reads: 6 times w minus y

2nd 1st

6w – y = 2z

Work BACKWARDS

3. mx + 4y = 3c for x look at it as __ termsreads: m times x plus 4y

mx + 4y = 3c

2nd 1st

Work BACKWARDS

4. 9s – 5g = -4u for s look at it as __ termsreads: 9 times s minus 5g

9s – 5g = -4u

2nd 1st

Work BACKWARDS

5. ab + 3c = 2d for b look at it as __ termsreads: a times b plus 3c

ab + 3c = 2d

2nd 1st