-7x+3/4=-81/4 - solution

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Solution for -7x+3/4=-81/4 equation:

x in (-oo:+oo)

3/4-7*x = -81/4 // + -81/4

3/4-7*x-(-81/4) = 0

3/4-7*x+81/4 = 0

21-7*x = 0 // - 21

-7*x = -21 // : -7

x = -21/(-7)

x = 3

x = 3

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