exam Maths Puzzle Numerical Ability

I am lost on solving these problems and I need some help

Solve each of the equations. be sure to check the solutions:

square 4x+1 +3 =0
and
square2y+7 + 4=y

thank you

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exam Other Question
Find all of the zeros of the polynomial 3x^3+ x^2-3x-1. Floor plans for a building have the four corners of a room located at the points (2,3),(11,6),(-3,18),and (8,11). Determine whether the side through the points (2,3)and(11,6) is pa