Answer:
Step-by-step explanation:
7x + 8y + 5z
I put the equations in parentheses, assuming that I would be adding both of the equations together. Then, I removed them and combined the like terms. I used two calculators to check my answer, and this should be correct.
Answer:
5
Step-by-step explanation:
f(-4)= -2(-4)-3
=8-3
=5
i think that that the answer is 13 Step-by-step explanation: