Question

Rearrange each formula to make y the subject

b) 5wy - 3 = 8y

a) 5y + xy = 7

Answer 1

8y= 5y

5wy=xy

3-7

13y

6wxy

-4

Answer 2

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)