exam Maths Puzzle Numerical Ability

Solve the following equations:
x = 3x - 5


y/3 + 5 = 8

-8 = 2x/9


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exam Other Question

Can you please help me with this question.
The problem is 5^x-2=4^x-1. The answer I came up with is log4 but that doesnt seem right can you help? Thanks
X < 1 or x < -3 line under means greater than or equal too please help
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