exam Maths Puzzle Numerical Ability

Adding and Subtracting Rational Expressions with the same denominator.

1) x-7/3-4/4=x-11/3 is this correct?

2)1/x+x+2/x=x+3/x Is this correct?

3)4x-3/x-7-2x+8/x-7= 2x+5/

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exam Other Question
7 radical 6x - 12 radical 6x The Ngs had eight grandchildren in 2002. In 2003, they had 12. Find the percent increase in the number of grandchildre from 2002-2003.