2/10(x+80)+2/10x=20

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Solution for 2/10(x+80)+2/10x=20 equation: 


x in (-oo:+oo)

(2/10)*(x+80)+(2/10)*x = 20 // - 20

(2/10)*(x+80)+(2/10)*x-20 = 0

1/5*(x+80)+x/5-20 = 0

(1/5*5*(x+80))/5+x/5+(-20*5)/5 = 0

1/5*5*(x+80)+x-20*5 = 0

2*x-100+80 = 0

2*x-20 = 0

(2*x-20)/5 = 0

(2*x-20)/5 = 0 // * 5

2*x-20 = 0

2*x-20 = 0 // + 20

2*x = 20 // : 2

x = 20/2

x = 10

x = 10

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