exam Maths Puzzle Numerical Ability

-3(9+2b)=33

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exam Other Question

Prove the conjecture below by writing a variable statement and using algebra

Conjecture: The sum of five consecutive integers is always divisible by five.

x + (x + 1) + (x +
I need help in solving the linear ineualities graphically
3x-y<=6
x>=1
y>=3