exam Maths Puzzle Numerical Ability

Use Cramer's rule to solve the following system of equations. If D=0, use another method to solve.
2x/3-5y/2=3/2
-x/4+5y/2=7/2

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exam Other Question

Help me please!!!

I need to express each difference in simpest form.

((d^(2)+3) / (d^(2) - 2d)) - ((d - 4) / (d))

and

((d^(2)-11) / (d^(2) - 7d +12)) - ((d+1) / (d-4)) Graph the following equation.

y=1/3x+1