Question

What is 2x + 4x + 4 = 4(x + 4) and step by step and Highlight / circle the error

2x + 4x + 4 = 4(x + 4)
6x + 4 = 4x + 16
+4x +4x
10x + 4 = 16
-4 -4
10x = 12
10 10
x = 1.2

Answer 1

x = 6 and the +4x is wrong

Explanation:

2x + 4x + 4 = 4(x + 4)

6x + 4 = 4x + 16

+4x +4x <--( This part is wrong )

10x + 4 = 16

-4 -4

10x = 12

10 10

x = 1.2

Correct steps

2x + 4x + 4 = 4(x + 4)

6x + 4 = 4x + 16

-4x -4x

2x + 4 = 16

-4 -4

2x = 12

2 2

x = 6