Answer:
there are 6 six wheel trucks
Step-by-step explanation:
On the third step it adds 8 on both sides. You are suppose to subtract 8 on both sides.
What we know:
(Also,
)
What we need to solve:
(This is equal to
)
How you have to subtract
with
to get:

Thus, the answer would be:

Answer:
hhuh
Step-by-step explanation: