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x =

Step-by-step explanation:

Given equation is,

By solving this equation,

[tangent of any angle is negative in IInd and IVth quadrants]

x = ,

x =

Therefore, value of x in the interval of [0, 2π] are .

a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation:

abby has a greater debt becasue she owea 5 more then alan does