exam Maths Puzzle Numerical Ability

SUPPOSE TAN X=-4/3 WITH 0<X<PI. FIND THE EXACT VALUE OF TAN(X+PI)

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A certain brand of razor blades c omes in packages of 6, 12, and 24 blades, costing $2, $3, $4 per packages. a store sold 12 packages containing a total of 162 blades razor blades and took in $35. How many packages of each types of each types were sold? Determine teh equation. Write the answer in standard for using only integers as the coefficients.
the line through (-2,0) with slope -3/4