3(3+2x)=21

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Solution for 3(3+2x)=21 equation: 


x in (-oo:+oo)

3*(2*x+3) = 21 // - 21

3*(2*x+3)-21 = 0

3*(2*x+3)-21 = 0

6*x-12 = 0

6*x-12 = 0

6*x-12 = 0 // + 12

6*x = 12 // : 6

x = 12/6

x = 2

x = 2

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