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40 votes
40 votes
Rearrange each formula to make y the subject

b) 5wy - 3 = 8y

a) 5y + xy = 7

User Janarthanan Ramu
by
2.8k points

2 Answers

11 votes
11 votes

Answer:

8y= 5y

5wy=xy

3-7

13y

6wxy

-4

User EarlyRiser
by
2.9k points
26 votes
26 votes

Explanation:

b)

  • 5wy - 3 = 8y
  • 5wy - 8y = 3
  • y(5w - 8) = 3
  • y = 3/(5w - 8)

a)

  • 5y + xy = 7
  • y(5 + x) = 7
  • y = 7/(5 + x)
User Defcon
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3.0k points