1/2(9x+1)+1/5(2x+4)=4

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Solution for 1/2(9x+1)+1/5(2x+4)=4 equation: 


x in (-oo:+oo)

(1/2)*(9*x+1)+(1/5)*(2*x+4) = 4 // - 4

(1/2)*(9*x+1)+(1/5)*(2*x+4)-4 = 0

1/2*(9*x+1)+1/5*(2*x+4)-4 = 0

1/2*(9*x+1)+1/5*(2*x+4)-4 = 0

49/10*x-4+13/10 = 0

49/10*x-27/10 = 0

49/10*x-27/10 = 0

49/10*x-27/10 = 0 // + 27/10

49/10*x = 27/10 // : 49/10

x = 27/10/49/10

x = 27/49

x = 27/49

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