7(3t+1)=91

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Solution for 7(3t+1)=91 equation:


t in (-oo:+oo)

7*(3*t+1) = 91 // - 91

7*(3*t+1)-91 = 0

7*(3*t+1)-91 = 0

21*t-84 = 0

21*t-84 = 0

21*t-84 = 0 // + 84

21*t = 84 // : 21

t = 84/21

t = 4

t = 4

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