exam Maths Puzzle Numerical Ability

Solve these :



1)The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers?





2)In a triangle, the sum of the int

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exam Other Question

simplify

3ac/x^2 + 2 / z^2

DIVIDED BY
1 - 4/ x^2z^2
1/3(s-2)=s +4

I first distribute, and I got s/3-2/3=s +4
I added 2/3 and ended up with s/3= 14/3 is this right or am I missing a step?