9+7w+3w=109

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Solution for 9+7w+3w=109 equation: 


w in (-oo:+oo)

7*w+3*w+9 = 109 // - 109

7*w+3*w-109+9 = 0

10*w-100 = 0 // + 100

10*w = 100 // : 10

w = 100/10

w = 10

w = 10

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