exam Maths Puzzle Numerical Ability

If two numbers are opposite of each other are their reciprocals also opposite?

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exam Other Question

Please help me solve these problems
3x-5y=-8 & 6x+61=y
Solve. 5(x-2)^2=3

a. 1/5 19/5

b. 10+-square root15over 5

c. 10+-square root3 over 5

d. +- 59 over 25