(2/7). *(2/7) =(2/7)^2x-1
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(2/7)^2=(2/7)^2x -1
since bases are same exponent will be equal
2=2x-1
2+1=2x
3=2x
3/2= x
x=1.5
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Answer: x=1.5
Step-by-step explanation:
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