book Maths Puzzle Numerical Ability

Find the value of c so that

y^2 - y + c divided by y + 1 = y-2

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book Other Question

Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of each equation.

y= -(two thirds)x+4; (1,-3) A worm is at the bottom of a 12 ft. wall. Every day it crawls up 3 ft., but at night it slips down 2 ft. How many days does it take the worm to get to the top of the wall? How do I solve this?