Determine the solutions of the equation: the absolute value quantity two thirds times x plus 2 end quantity minus 8 equals 0 x = −9 and x = 9 x = −15 and x = 4 x = −15 and x = 9 x = −15 and x = 15

Respuesta :

The solution for the absolute value equation is x = 10 and x = -14

In this question,

Two thirds times the absolute value of the quantity x plus 2 end quantity minus 8 equals 0. The equation for this statement is 2/3 lx + 2l -8 =0.

The solution for the equation is

[tex]\frac{2}{3}[/tex] lx + 2l -8 =0

[tex]\frac{2}{3}[/tex] lx + 2l = 8

Multiply by 3/2 on both sides,

[tex]\frac{2}{3}[/tex] lx + 2l = 8

[tex]\frac{2}{3}[/tex] ×[tex]\frac{3}{2}[/tex]lx + 2l =8×[tex]\frac{3}{2}[/tex]

=> x +2 = 12

Case 1: Take as positive value

=> x + 2 = 12

=> x = 12 - 2

=> x = 10

Case 2: Take as negative value

=> -(x +2) = 12

=> -x - 2 = 12

=> -x = 12 + 2

=> -x = 14

=> x = -14

Hence, we can conclude that the solution for the absolute value equation is x = 10 and x = -14 is the correct answer

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