5X+7X/2=4200000

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Solution for 5X+7X/2=4200000 equation: 


X in (-oo:+oo)

5*X+(7*X)/2 = 4200000 // - 4200000

5*X+(7*X)/2-4200000 = 0

17/2*X-4200000 = 0 // + 4200000

17/2*X = 4200000 // : 17/2

X = 4200000/17/2

X = 8400000/17

X = 8400000/17

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