Answer:
81
Step-by-step explanation:
2x+6=84
2x=78
81
find your own way
Answer:
b should be the correct one
thank you
Answer:
Zero
Step-by-step explanation:
3x - 7 = 3x - 9 + 2
3x - 7 = 3x - 7
Add 7 on both sides
3x = 3x
Subtract 3x you get 0.
Hope this helps.
The correct answer is 43.75