Answer:
C
Step-by-step explanation:
multiply the 1st equation by -3
Answer: s=36
Step-by-step explanation:
To solve for s, we can use our algebraic properties to solve.
[subtract both sides by 14]
[multiply both sides by 3]

Answer:
the last one
Step-by-step explanation:
In the last one, it takes all of the numbers in the one parentheses and distributes it to the 0.5.
Look at the picture. (sorry for the messy writing)
Answer:
The last one is the answer
Step-by-step explanation: