Option 3
Rewrite the second equation and subtract the first. This is like changing the sign on every term of the first equation
Answer:
can you put an image so I can help you?
Step-by-step explanation:
Answer: -3
Step-by-step explanation:
(t-12)/2=(3t)/2-3
t-6=1.5t-3
t=3-6
t=-3
Hope this helps
The answer is 40% and 0.4