exam Maths Puzzle Numerical Ability

Please help. Thank you

Solve:

1/4 =8^6x+5

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exam Other Question

THIS ONE HAS ME REALLY CONFUSED. I KNOW THE ANSWER IS SIMPLE AND I AM JUST MAKING MORE OF IT, BUT IT HAS BE WHIPPED. I HAVE TO SHOW ALL WORK TO SOLVE FOR x.

6 - x + 12 = 10x + 7 Problem solving using chart: Question: The Eiffel tower is 497 ft. taller than the Washington monument. If each of the monuments were 58ft. shorter, the eiffel tower would be twice as tall as the Washington monument. How tall is each?