15x-20(2/5+x)=-7

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Solution for 15x-20(2/5+x)=-7 equation: 


x in (-oo:+oo)

15*x-(20*(x+2/5)) = -7 // + 7

15*x-(20*(x+2/5))+7 = 0

15*x-20*(x+2/5)+7 = 0

15*x-20*(x+2/5)+7 = 0

7-5*x-8 = 0

-5*x-1 = 0

-5*x-1 = 0

-5*x-1 = 0 // + 1

-5*x = 1 // : -5

x = 1/(-5)

x = -1/5

x = -1/5

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