Step-by-step explanation:
x > -1
x = {0,1,2,...}

Answer:
x = 4
Step-by-step explanation:
3 + x = 7 ( isolate x by subtracting 3 from both sides )
x = 7 - 3 = 4
Answer:
unknown
Step-by-step explanation:
I am sorry but part of your question is missing
Answer:
x^4
Step-by-step explanation: