3/4a-3=-9 - solution

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Solution for 3/4a-3=-9 equation:

a in (-oo:+oo)

(3/4)*a-3 = -9 // + 9

(3/4)*a-3+9 = 0

3/4*a+6 = 0 // - 6

3/4*a = -6 // : 3/4

a = -6/3/4

a = -8

a = -8

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