2/7b-7=-39/7

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Solution for 2/7b-7=-39/7 equation: 


b in (-oo:+oo)

(2/7)*b-7 = -39/7 // + -39/7

(2/7)*b-(-39/7)-7 = 0

(2/7)*b+39/7-7 = 0

2/7*b-10/7 = 0 // + 10/7

2/7*b = 10/7 // : 2/7

b = 10/7/2/7

b = 5

b = 5

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