exam Maths Puzzle Numerical Ability

re-write the equation as a function of x.
f(x)

-3x+4y=11

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exam Other Question

3x+3y+z=21
x-3y+2z=-5
8x-2y+3z=24 The net weight of a bottle of olives is 216grams. Find the smallest number of bottles that must be purchased tohave at least 2kilograms of olives.

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