15-X/2=7 - solution

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Solution for 15-X/2=7 equation:

X in (-oo:+oo)

15-(X/2) = 7 // - 7

15-(X/2)-7 = 0

8-1/2*X = 0 // - 8

-1/2*X = -8 // : -1/2

X = -8/(-1/2)

X = 16

X = 16

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