SOLUTION: 2^x+2 - 2^x = 48 Please explain the steps. Thanks.

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Question 92976: 2^x+2 - 2^x = 48

Please explain the steps. Thanks.
Found 2 solutions by jim_thompson5910, scott8148:
Answer by jim_thompson5910(35256) About Me  (Show Source):
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
by rules of exponents, 2^(x+2)=(2^x)(2^2) ... so 4(2^x)-2^x=48 ... 3(2^x)=48 ... 2^x=16 ... so x=4

2*2*2*2=16