(2x-8)/10=7

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Solution for (2x-8)/10=7 equation:


x in (-oo:+oo)

(2*x-8)/10 = 7 // - 7

(2*x-8)/10-7 = 0

(2*x-8)/10+(-7*10)/10 = 0

2*x-7*10-8 = 0

2*x-78 = 0

(2*x-78)/10 = 0

(2*x-78)/10 = 0 // * 10

2*x-78 = 0

2*x-78 = 0 // + 78

2*x = 78 // : 2

x = 78/2

x = 39

x = 39

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