7b+4=-5b+124

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Solution for 7b+4=-5b+124 equation: 


b in (-oo:+oo)

7*b+4 = 124-5*b // - 124-5*b

7*b-(-5*b)-124+4 = 0

7*b+5*b-124+4 = 0

12*b-120 = 0 // + 120

12*b = 120 // : 12

b = 120/12

b = 10

b = 10

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