X/3+12=7 - solution

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Solution for X/3+12=7 equation:

X in (-oo:+oo)

X/3+12 = 7 // - 7

X/3-7+12 = 0

1/3*X+5 = 0 // - 5

1/3*X = -5 // : 1/3

X = -5/1/3

X = -15

X = -15

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