3(1t+1)=21

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Solution for 3(1t+1)=21 equation: 


t in (-oo:+oo)

3*(1*t+1) = 21 // - 21

3*(1*t+1)-21 = 0

3*(t+1)-21 = 0

3*(t+1)-21 = 0

3*t-18 = 0

3*t-18 = 0

3*t-18 = 0 // + 18

3*t = 18 // : 3

t = 18/3

t = 6

t = 6

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