3t+(2(t-1))/3 =4

解答

3 t + \frac{2 ( t - 1 )}{3} = 4

t = \frac{14}{11}

十进制

t = 1.27272 \dots

求解步骤

3 t + \frac{2 ( t - 1 )}{3} = 4

在两边乘以

3

9 t + 2 (t - 1) = 12

乘开

2 (t - 1) : 2 t - 2

9 t + 2 t - 2 = 12

(x - 9)^{2} = 4

21 n + 9 n = - 23 - 157

9 x - 11 > 6 x - 9

s im pl i f y \frac{6 a ^{3}}{3 a ^{4}}

6 X + X - 8 X = 10 X - 6 XX + 4