Question

X + y - 8
Let x = 6. What is y?

Answer 1

Answer: If x + y = 8, and x has a value of 6, then y =2 since 6 + 2 = 8

Answer 2

x + y = 8

x = 6

6 + y = 8

Subtract 6 from both sides

y = 2

6 + 2 = 8

y = 2