Which choice is the most efficient first step to solve this set of equations?
2 answers:
You might be interested in
Answer:
66
Step-by-step explanation:
After staring at this for a few seconds, I think the equation
is asking you to simplify the left hand side so that it has a form matching the right hand side, and [1] and [2] are placeholders. My guess is that they're supposed to be integers.
Notice that
Then multiplying by -5, we have
so I believe [1] = -25, and [2] = 6.