8/9x-7/9x+4=12

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Solution for 8/9x-7/9x+4=12 equation: 


x in (-oo:+oo)

(8/9)*x-((7/9)*x)+4 = 12 // - 12

(8/9)*x-((7/9)*x)-12+4 = 0

(8/9)*x+(-7/9)*x-12+4 = 0

1/9*x-8 = 0 // + 8

1/9*x = 8 // : 1/9

x = 8/1/9

x = 72

x = 72

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