3(x+5)/5=2x-1

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Solution for 3(x+5)/5=2x-1 equation:


x in (-oo:+oo)

(3*(x+5))/5 = 2*x-1 // - 2*x-1

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

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

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

3*(x+5)-2*5*x+1*5 = 0

5-7*x+15 = 0

20-7*x = 0

(20-7*x)/5 = 0

(20-7*x)/5 = 0 // * 5

20-7*x = 0

20-7*x = 0 // - 20

-7*x = -20 // : -7

x = -20/(-7)

x = 20/7

x = 20/7

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