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- 1/2log6(25)+log6(x)=log6(20)
- log6(5)+log6(x)=log6(20)
- log6(5x)=log6(20)
- 6^(log6(5x))=6^(log6(20))
- 5x=20
- x=4
- log2(4)-log2(x+3)=log2(8)
- log2(4/(x+3))=log2(8)
- 2^(log2(4/(x+3)))=2^(log2(8))
- 4/(x+3)=8
- x+3=0.5
- x=-2.5
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