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07-03-2015
Mathematics

contestada

If the solution to the equation is x = -2, find the value of a
4x-2(x-a)= 14

Respuesta :

07-03-2015

x=-2

4x-2(x-a)=14

4*(-2) -2(-2-a)=14

-8+4+2a=14

-4+2a=14

2a=18

a=9

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