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Answer:
Exponential equations
Step-by-step explanation:
PEMDAS is
Parenthesis
Exponets
Multiply
Divide
Add
Subtract
therefore, you would do 40*0=0+40+1=41
Step-by-step explanation:

Well I don't know, and you forgot to give me any choices or suggestions.
So I'll have to calculate it. You can watch if you feel like it.
You said 5 - 4x = -3
Subtract 5 from each side: - 4x = -8
Divide each side by -4 : x = 2