Question

Which is a solution to the equation |10-5y|=20

y=2

y=4

y=6

y=10

Answer 1

y=6

Explanation:

|10-5y|=20

Since the absolute value is isolated, we can then separate the equations

For absolute values, there is a positive and negative when we remove the absolute values.

10-5y = 20 10-5y= -20

Subtract 10 from each side

10-10-5y = 20-10 10-10-5y= -20-10

-5y = 10 -5y = -30

Divide by -5

-5y/-5 =10/-5 -5y = -30/-5

y =-2 y =6