exam Maths Puzzle Numerical Ability

Divide

4d exponent 9 m exponent 6 * 10d exponent 9 m exponent 6
__________________________________________________________ 2d exponent 9 m exponent 9

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exam Other Question

{{{X/5+3=9}}}

{{{x/2+5x/4=x/12}}}

{{{2+10/x=x+5}}}

{{{x+1/3-x-1/6=1/6}}}
please help me thank you in advance I really do not understand this problem.

solve the system by graphing

4x + 2y = 10
y=4