x/4-7=1/2 - solution

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Solution for x/4-7=1/2 equation:

x in (-oo:+oo)

x/4-7 = 1/2 // - 1/2

x/4-(1/2)-7 = 0

x/4-1/2-7 = 0

1/4*x-15/2 = 0 // + 15/2

1/4*x = 15/2 // : 1/4

x = 15/2/1/4

x = 30

x = 30

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