exam Maths Puzzle Numerical Ability

what is the value of p in 6p-7=2p+7 and how did you get that answer?

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exam Other Question

An alloy of metals is 25% copper another alloy is 50% copper. How much of each alloy is used to make 1000 grams of an alloy with 45% copper.
Can you help us write this equations? Two angles are complementary if the sum of their angles is 90 degrees. Suppose we have 2 complementary angle where one angle is ten more than three times the other angle. Determine the measure of the 2 angles.