7b+2-4b=8

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Solution for 7b+2-4b=8 equation: 


b in (-oo:+oo)

7*b-(4*b)+2 = 8 // - 8

7*b-(4*b)-8+2 = 0

7*b-4*b-8+2 = 0

3*b-6 = 0 // + 6

3*b = 6 // : 3

b = 6/3

b = 2

b = 2

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