exam Maths Puzzle Numerical Ability

If the smallest of the three consecutive integer is added to twice the largest, the result is seven less than four times the middle. Find the nos

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exam Other Question

Is the following solved correctly?
-2t(t-5tsquared)+(-5tcubed) = -2tsquared+10tcubed+(-5tcubed) = -2tsquared+5tcubed
find the equation of the line containing a given pair of points.

(-2,-7)(-9,-5)

the equation of the line is y= ???