49=2x+4x+7

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Solution for 49=2x+4x+7 equation: 


x in (-oo:+oo)

49 = 2*x+4*x+7 // - 2*x+4*x+7

49-(2*x)-(4*x)-7 = 0

49-2*x-4*x-7 = 0

42-6*x = 0 // - 42

-6*x = -42 // : -6

x = -42/(-6)

x = 7

x = 7

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