X/2-30=15 - solution

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Solution for X/2-30=15 equation:

X in (-oo:+oo)

X/2-30 = 15 // - 15

X/2-30-15 = 0

1/2*X-45 = 0 // + 45

1/2*X = 45 // : 1/2

X = 45/1/2

X = 90

X = 90

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