exam
Maths Puzzle
Numerical Ability
im stuck on these 2 problems. thanks for your help.
divide and if possible simplify.
problem 1 3y+15/y^7 / y+5/y^2
problem 2 x^2-y^2/4x+4y / 3y-3x/12x^2
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exam Other Question
Solve the following 2 x 2 systems using substitutions
2x + 3y = 68
5x + 4y =128
What are the steps to solving a system using substitution. example:
y=x+2 y=2x-1.