Answer:
The final expression should be 4x-1
Step-by-step explanation:
The error occurs in the simplification from the 3rd to 4th step. You can see two positive 2x's, but suddenly they vanish.
4 + 2x - 5 + 2x
4 - 5 + 4x
-1 + 4x
4x -1
Answer:
5x2=10 so 10+3 =13
Step-by-step explanation:
your answer is 13
Answer:
(1/2) (4k) + 12 = 2k + 12
Step-by-step explanation:
step 1