Question

Решить уравнения:
a) 5^x+1=8^x+1
b) 7^x-2=4^2-x

Answer 1

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Answer 2

1)5^x=8^x

(5/8)^x=1

(5/8)^x=(5/8)^0

X=0

2)7^0=4^0

(7/4)^x=1

(7/4)^x=(7/4)^0

X=0