4/9x-1=-21 - solution

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Solution for 4/9x-1=-21 equation:

x in (-oo:+oo)

(4/9)*x-1 = -21 // + 21

(4/9)*x-1+21 = 0

4/9*x+20 = 0 // - 20

4/9*x = -20 // : 4/9

x = -20/4/9

x = -45

x = -45

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