exam Maths Puzzle Numerical Ability

x
- + 13 = 20
2

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exam Other Question

Determine the type of number(s) that the solutions of x^2-2x+5=0 will be:

a) one real
b) two real
c) two non-real
d) no solution 6y + 8x = -432

i dont know how to find the x int. and the y int. or the slope in this problem