3x-(2x+5)=0

解答

3 x - (2 x + 5) = 0

x = 5

求解步骤

3 x - (2 x + 5) = 0

展开

3 x - (2 x + 5) : x - 5

x - 5 = 0

将

5

到右边

x = 5

182 = 8258 \cdot b + (1 - 9954) \cdot (1 - b)

\frac{2 x + 6}{4} = \frac{3 x - 7}{5}

9.93 t + 4.9 t^{2} + 9.93 t - 4.9 t^{2} = 5.87

15 = - 10 + 17

f = 3 (2) + 3