exam Maths Puzzle Numerical Ability

use the given conditions to write an equation for the line in slope-intercept form

passing thru (2,2) and perpendicular to the line whose equations is y= -1/16+3

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exam Other Question

complete the factorizaTION OF EACH BINOMIAL
A TO THE SECOND POWER - A = -A( )
With these two problems, I am very confused, because math is not my thing, and I do not understand it.

1. -3[5+2(-7+x)+x]= -3x- (x+3) I do not even know where to begin with this one.

2. 4x+4/5= 5x-1/2-x/3 (the / are over signs)