Question

Evaluate the expression 3x – 4y for the given variable. y = x + 2

Answer 1

3x - 4(x+2)
3x - 4x +8
1x + 8

Answer 2

3x - 4y

y = x + 2

3x - 4(x + 2)

(distribute the -4 to both x and 2

3x - 4x - 8 

-x - 8

-x - 8 is your answer

hope this helps