exam Maths Puzzle Numerical Ability

square root 2x+3 - square root x+1 =1

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exam Other Question

How do I find the solution set, given the replacement set:

5x + 2y = 5 [(2, -2), (2, -7), (5, -4), (3, -5)}
1. Peter is reading a 193 page book. He has read three pages more than one fourth of the number of pages he hasn't yet read.
a. How many pages has he not yet read?
b. Estimate h