2/7(15x+4)=1/2(9x-20)+9

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Solution for 2/7(15x+4)=1/2(9x-20)+9 equation: 


x in (-oo:+oo)

(2/7)*(15*x+4) = (1/2)*(9*x-20)+9 // - (1/2)*(9*x-20)+9

(2/7)*(15*x+4)-((1/2)*(9*x-20))-9 = 0

(2/7)*(15*x+4)+(-1/2)*(9*x-20)-9 = 0

2/7*(15*x+4)-1/2*(9*x-20)-9 = 0

2/7*(15*x+4)-1/2*(9*x-20)-9 = 0

78/7-3/14*x-9 = 0

15/7-3/14*x = 0

15/7-3/14*x = 0

15/7-3/14*x = 0 // - 15/7

-3/14*x = -15/7 // : -3/14

x = -15/7/(-3/14)

x = 10

x = 10

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