1.

2^2x+1 = 4^2x-1spemmers not allowed ​

Answer»

Step-by-step explanation:

2^2x+1=2^2(2x+1)

2^2x+1=2^4x+2

when BASES are same we CHECK the powers

2x+1=4x+2

-2+1=4x-2x

-1=2x

x=-1/2



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