X/10-2=7 - solution

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Solution for X/10-2=7 equation:

X in (-oo:+oo)

X/10-2 = 7 // - 7

X/10-7-2 = 0

1/10*X-9 = 0 // + 9

1/10*X = 9 // : 1/10

X = 9/1/10

X = 90

X = 90

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